Home / 11,691.81-17,540.73-3,372.48

Finding the Fourth Proportional to 11,691.81, 17,540.73 and 3,372.48

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Solution

The fourth proportional to 11,691.81, 17,540.73 and 3,372.48 is: 5,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,691.81 : 17,540.73 = 3,372.48 : x
  2. Step 2: Convert to fraction form
    11,691.81/17,540.73 = 3,372.48/x
  3. Step 3: Cross multiply
    11,691.81x = 17,540.73 × 3,372.48
  4. Step 4: Simplify right side
    11,691.81x = 59,155,761.11
  5. Step 5: Solve for x
    x = 59,155,761.11/11,691.81
  6. Step 6: Final answer
    x = 5,059.59

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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.