Home / 10,471.47-14,450.77-5,755.85

Finding the Fourth Proportional to 10,471.47, 14,450.77 and 5,755.85

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Solution

The fourth proportional to 10,471.47, 14,450.77 and 5,755.85 is: 7,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471.47 : 14,450.77 = 5,755.85 : x
  2. Step 2: Convert to fraction form
    10,471.47/14,450.77 = 5,755.85/x
  3. Step 3: Cross multiply
    10,471.47x = 14,450.77 × 5,755.85
  4. Step 4: Simplify right side
    10,471.47x = 83,176,464.50
  5. Step 5: Solve for x
    x = 83,176,464.50/10,471.47
  6. Step 6: Final answer
    x = 7,943.15

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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.