Finding the Fourth Proportional to 7,272.99, 10,030.64 and 4,473.63
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Solution
The fourth proportional to 7,272.99, 10,030.64 and 4,473.63 is: 6,169.86
Step by Step Solution
- Step 1: Write the proportion equation
7,272.99 : 10,030.64 = 4,473.63 : x - Step 2: Convert to fraction form
7,272.99/10,030.64 = 4,473.63/x - Step 3: Cross multiply
7,272.99x = 10,030.64 × 4,473.63 - Step 4: Simplify right side
7,272.99x = 44,873,349.66 - Step 5: Solve for x
x = 44,873,349.66/7,272.99 - Step 6: Final answer
x = 6,169.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.