Answer
$x = 3$
Work Step by Step
$\frac{x}{4}$ = $\frac{9}{12}$
$x = \frac{9}{12}\times4$
$x = 3$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 5 - Section 5.1 - Ratios, Rates, and Proportions - Exercises - Page 228: 5a
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