Home / 11,932.57-17,899.19-3,167.49

Finding the Fourth Proportional to 11,932.57, 17,899.19 and 3,167.49

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Solution

The fourth proportional to 11,932.57, 17,899.19 and 3,167.49 is: 4,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,932.57 : 17,899.19 = 3,167.49 : x
  2. Step 2: Convert to fraction form
    11,932.57/17,899.19 = 3,167.49/x
  3. Step 3: Cross multiply
    11,932.57x = 17,899.19 × 3,167.49
  4. Step 4: Simplify right side
    11,932.57x = 56,695,505.33
  5. Step 5: Solve for x
    x = 56,695,505.33/11,932.57
  6. Step 6: Final answer
    x = 4,751.32

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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.