Home / 8,542.38-11,761.66-7,263.75

Finding the Fourth Proportional to 8,542.38, 11,761.66 and 7,263.75

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Solution

The fourth proportional to 8,542.38, 11,761.66 and 7,263.75 is: 10,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,542.38 : 11,761.66 = 7,263.75 : x
  2. Step 2: Convert to fraction form
    8,542.38/11,761.66 = 7,263.75/x
  3. Step 3: Cross multiply
    8,542.38x = 11,761.66 × 7,263.75
  4. Step 4: Simplify right side
    8,542.38x = 85,433,757.83
  5. Step 5: Solve for x
    x = 85,433,757.83/8,542.38
  6. Step 6: Final answer
    x = 10,001.17

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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.