Solve for the variable in the proportion. $$\frac { 3 } { 5 } = \frac { x } { 15 }$$
A) $x = 7$
B) $x = 9$
C) $x = 10$
D) $x = 12$
E) $x = 6$

Name: Solve for the variable in the proportion. \[\frac { 3 } { 5 } = \frac { x } { 15 }\] A) $x = 7$ B) $x = 9$ C) $x = 10$ D) $x = 12$ E) $x = 6$
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Question

Quizplus · Accepted Answer

To solve for $x$ in the proportion $\frac{3}{5} = \frac{x}{15}$, cross-multiply to get $3 \times 15 = 5 \times x$, which simplifies to $45 = 5x$. Dividing both sides by 5 gives $x = 9$.

Solve for the Variable in the Proportion 35=x15\frac { 3 } { 5 } = \frac { x } { 15 }53​=15x​

Solve for the Variable in the Proportion $\frac { 3 } { 5 } = \frac { x } { 15 }$