Finding the Fourth Proportional to 8,417,486.96, 11,616,126.99 and 4,550,008.17
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Solution
The fourth proportional to 8,417,486.96, 11,616,126.99 and 4,550,008.17 is: 6,279,008.57
Step by Step Solution
- Step 1: Write the proportion equation
8,417,486.96 : 11,616,126.99 = 4,550,008.17 : x - Step 2: Convert to fraction form
8,417,486.96/11,616,126.99 = 4,550,008.17/x - Step 3: Cross multiply
8,417,486.96x = 11,616,126.99 × 4,550,008.17 - Step 4: Simplify right side
8,417,486.96x = 52,853,472,708,257.51 - Step 5: Solve for x
x = 52,853,472,708,257.51/8,417,486.96 - Step 6: Final answer
x = 6,279,008.57
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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.