Proportional Relationships
SSAT Middle Level Quantitative · Flashcards · Recall
SSAT MIDDLE LEVEL QUANTITATIVE · FLASHCARDS
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QUESTION
What equation solves a proportional relationship if you know
k
k
k
and
x
x
x
?
QUESTION
What is the constant of proportionality
k
k
k
in the equation
y
=
k
x
y = kx
y
=
k
x
?
QUESTION
What is the cross-multiplication setup for solving
a
b
=
c
d
\frac{a}{b} = \frac{c}{d}
b
a
=
d
c
?
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ANSWER
a
d
=
b
c
ad = bc
a
d
=
b
c
. Cross-multiplication equates the product of one fraction's numerator and the other's denominator.
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