Home / 11,930.33-17,895.87-5,691.02

Finding the Fourth Proportional to 11,930.33, 17,895.87 and 5,691.02

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Solution

The fourth proportional to 11,930.33, 17,895.87 and 5,691.02 is: 8,536.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,930.33 : 17,895.87 = 5,691.02 : x
  2. Step 2: Convert to fraction form
    11,930.33/17,895.87 = 5,691.02/x
  3. Step 3: Cross multiply
    11,930.33x = 17,895.87 × 5,691.02
  4. Step 4: Simplify right side
    11,930.33x = 101,845,754.09
  5. Step 5: Solve for x
    x = 101,845,754.09/11,930.33
  6. Step 6: Final answer
    x = 8,536.71

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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.