Home / 11,933.70-17,899.17-3,169.30

Finding the Fourth Proportional to 11,933.70, 17,899.17 and 3,169.30

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Solution

The fourth proportional to 11,933.70, 17,899.17 and 3,169.30 is: 4,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.70 : 17,899.17 = 3,169.30 : x
  2. Step 2: Convert to fraction form
    11,933.70/17,899.17 = 3,169.30/x
  3. Step 3: Cross multiply
    11,933.70x = 17,899.17 × 3,169.30
  4. Step 4: Simplify right side
    11,933.70x = 56,727,839.48
  5. Step 5: Solve for x
    x = 56,727,839.48/11,933.70
  6. Step 6: Final answer
    x = 4,753.58

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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.