Finding the Fourth Proportional to 8,560,775.50, 11,813,867.34 and 4,693,213.68
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Solution
The fourth proportional to 8,560,775.50, 11,813,867.34 and 4,693,213.68 is: 6,476,633.32
Step by Step Solution
- Step 1: Write the proportion equation
8,560,775.50 : 11,813,867.34 = 4,693,213.68 : x - Step 2: Convert to fraction form
8,560,775.50/11,813,867.34 = 4,693,213.68/x - Step 3: Cross multiply
8,560,775.50x = 11,813,867.34 × 4,693,213.68 - Step 4: Simplify right side
8,560,775.50x = 55,445,003,813,793.20 - Step 5: Solve for x
x = 55,445,003,813,793.20/8,560,775.50 - Step 6: Final answer
x = 6,476,633.32
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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.