Home / 11,937.13-17,905.69-3,729.13

Finding the Fourth Proportional to 11,937.13, 17,905.69 and 3,729.13

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Solution

The fourth proportional to 11,937.13, 17,905.69 and 3,729.13 is: 5,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,937.13 : 17,905.69 = 3,729.13 : x
  2. Step 2: Convert to fraction form
    11,937.13/17,905.69 = 3,729.13/x
  3. Step 3: Cross multiply
    11,937.13x = 17,905.69 × 3,729.13
  4. Step 4: Simplify right side
    11,937.13x = 66,772,645.75
  5. Step 5: Solve for x
    x = 66,772,645.75/11,937.13
  6. Step 6: Final answer
    x = 5,593.69

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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.