Home / 10,550.92-15,753.80-9,308.56

Finding the Fourth Proportional to 10,550.92, 15,753.80 and 9,308.56

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Solution

The fourth proportional to 10,550.92, 15,753.80 and 9,308.56 is: 13,898.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,550.92 : 15,753.80 = 9,308.56 : x
  2. Step 2: Convert to fraction form
    10,550.92/15,753.80 = 9,308.56/x
  3. Step 3: Cross multiply
    10,550.92x = 15,753.80 × 9,308.56
  4. Step 4: Simplify right side
    10,550.92x = 146,645,192.53
  5. Step 5: Solve for x
    x = 146,645,192.53/10,550.92
  6. Step 6: Final answer
    x = 13,898.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.