Home / 11,789.26-17,686.08-3,892.33

Finding the Fourth Proportional to 11,789.26, 17,686.08 and 3,892.33

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Solution

The fourth proportional to 11,789.26, 17,686.08 and 3,892.33 is: 5,839.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.26 : 17,686.08 = 3,892.33 : x
  2. Step 2: Convert to fraction form
    11,789.26/17,686.08 = 3,892.33/x
  3. Step 3: Cross multiply
    11,789.26x = 17,686.08 × 3,892.33
  4. Step 4: Simplify right side
    11,789.26x = 68,839,951.87
  5. Step 5: Solve for x
    x = 68,839,951.87/11,789.26
  6. Step 6: Final answer
    x = 5,839.21

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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.