Home / 11,451.13-17,179.14-3,553.47

Finding the Fourth Proportional to 11,451.13, 17,179.14 and 3,553.47

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Solution

The fourth proportional to 11,451.13, 17,179.14 and 3,553.47 is: 5,330.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,451.13 : 17,179.14 = 3,553.47 : x
  2. Step 2: Convert to fraction form
    11,451.13/17,179.14 = 3,553.47/x
  3. Step 3: Cross multiply
    11,451.13x = 17,179.14 × 3,553.47
  4. Step 4: Simplify right side
    11,451.13x = 61,045,540.85
  5. Step 5: Solve for x
    x = 61,045,540.85/11,451.13
  6. Step 6: Final answer
    x = 5,330.96

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1.5x scale

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.