Home / 10,600.30-15,900.79-5,332.43

Finding the Fourth Proportional to 10,600.30, 15,900.79 and 5,332.43

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Solution

The fourth proportional to 10,600.30, 15,900.79 and 5,332.43 is: 7,998.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,600.30 : 15,900.79 = 5,332.43 : x
  2. Step 2: Convert to fraction form
    10,600.30/15,900.79 = 5,332.43/x
  3. Step 3: Cross multiply
    10,600.30x = 15,900.79 × 5,332.43
  4. Step 4: Simplify right side
    10,600.30x = 84,789,839.56
  5. Step 5: Solve for x
    x = 84,789,839.56/10,600.30
  6. Step 6: Final answer
    x = 7,998.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.