Basic Arithmetic : Ratio Tables

Study concepts, example questions & explanations for Basic Arithmetic

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Example Questions

Example Question #1 : Ratio Tables

Find the value of  in the following ratio table:

 

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Possible Answers:

Correct answer:

Explanation:

The numbers on the left side to the numbers on the right side are in a ratio of 1 to 7. In other words, multiply the numbers on the left by 7 to get the numbers on the right.

Using that ratio, we arrive at the following equation for x:

 

Now, divide both sides by 7.

Example Question #2 : Ratio Tables

Find the value of  in the ratio table above.

Possible Answers:

Correct answer:

Explanation:

To find , we can set up the following ratios:

Now, cross-multiply and solve.

Example Question #3 : Ratio Tables

              

 

Find the value of  in the ratio table above.

Possible Answers:

Correct answer:

Explanation:

To find the multiplier, divide two numbers from the same row:

Now, multiply this by  and set that equal to 

Divide both sides by 

Example Question #3 : Ratio Tables

                   

In the ratio table above, find .

Possible Answers:

Correct answer:

Explanation:

To figure out the ratio, divide the second column by the first.

Since we are multiplying the first column by  to get the second column, we can set up the following equation for .

Multiply both sides by 7.

Example Question #4 : Ratio Tables

                         
                       

Find the value of  in the ratio table above.

Possible Answers:

Correct answer:

Explanation:

To find , we can set up the following ratio:

Now, cross multiply and solve.

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