Home / 11,138.53-16,708.20-3,743.23

Finding the Fourth Proportional to 11,138.53, 16,708.20 and 3,743.23

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Solution

The fourth proportional to 11,138.53, 16,708.20 and 3,743.23 is: 5,614.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.53 : 16,708.20 = 3,743.23 : x
  2. Step 2: Convert to fraction form
    11,138.53/16,708.20 = 3,743.23/x
  3. Step 3: Cross multiply
    11,138.53x = 16,708.20 × 3,743.23
  4. Step 4: Simplify right side
    11,138.53x = 62,542,635.49
  5. Step 5: Solve for x
    x = 62,542,635.49/11,138.53
  6. Step 6: Final answer
    x = 5,614.98

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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.