Home / 10,747.87-16,122.81-3,726.79

Finding the Fourth Proportional to 10,747.87, 16,122.81 and 3,726.79

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Solution

The fourth proportional to 10,747.87, 16,122.81 and 3,726.79 is: 5,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,747.87 : 16,122.81 = 3,726.79 : x
  2. Step 2: Convert to fraction form
    10,747.87/16,122.81 = 3,726.79/x
  3. Step 3: Cross multiply
    10,747.87x = 16,122.81 × 3,726.79
  4. Step 4: Simplify right side
    10,747.87x = 60,086,327.08
  5. Step 5: Solve for x
    x = 60,086,327.08/10,747.87
  6. Step 6: Final answer
    x = 5,590.53

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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.