Home / 11,331.39-16,991.24-5,086.04

Finding the Fourth Proportional to 11,331.39, 16,991.24 and 5,086.04

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Solution

The fourth proportional to 11,331.39, 16,991.24 and 5,086.04 is: 7,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.39 : 16,991.24 = 5,086.04 : x
  2. Step 2: Convert to fraction form
    11,331.39/16,991.24 = 5,086.04/x
  3. Step 3: Cross multiply
    11,331.39x = 16,991.24 × 5,086.04
  4. Step 4: Simplify right side
    11,331.39x = 86,418,126.29
  5. Step 5: Solve for x
    x = 86,418,126.29/11,331.39
  6. Step 6: Final answer
    x = 7,626.44

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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.