If her hourly rate stays the same, how many hours would she have to work to earn $217 next week? ... She wants to enlarge the photograph so that its width is 10 in. ... Cross-Multiply: (4)(x)=(6)(10); Simplify: 4x=60; Divide both sides by 4 to find the height of the new photograph: \frac{4x}{4}=\frac{60}{4. Answer: 15 inches .