Home / 10,639.52-15,952.42-5,092.73

Finding the Fourth Proportional to 10,639.52, 15,952.42 and 5,092.73

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Solution

The fourth proportional to 10,639.52, 15,952.42 and 5,092.73 is: 7,635.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.52 : 15,952.42 = 5,092.73 : x
  2. Step 2: Convert to fraction form
    10,639.52/15,952.42 = 5,092.73/x
  3. Step 3: Cross multiply
    10,639.52x = 15,952.42 × 5,092.73
  4. Step 4: Simplify right side
    10,639.52x = 81,241,262.68
  5. Step 5: Solve for x
    x = 81,241,262.68/10,639.52
  6. Step 6: Final answer
    x = 7,635.81

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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.