Home / 11,138.97-16,709.27-3,743.38

Finding the Fourth Proportional to 11,138.97, 16,709.27 and 3,743.38

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Solution

The fourth proportional to 11,138.97, 16,709.27 and 3,743.38 is: 5,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,138.97 : 16,709.27 = 3,743.38 : x
  2. Step 2: Convert to fraction form
    11,138.97/16,709.27 = 3,743.38/x
  3. Step 3: Cross multiply
    11,138.97x = 16,709.27 × 3,743.38
  4. Step 4: Simplify right side
    11,138.97x = 62,549,147.13
  5. Step 5: Solve for x
    x = 62,549,147.13/11,138.97
  6. Step 6: Final answer
    x = 5,615.34

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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.