Home / 11,690.52-17,540.10-4,299.81

Finding the Fourth Proportional to 11,690.52, 17,540.10 and 4,299.81

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Solution

The fourth proportional to 11,690.52, 17,540.10 and 4,299.81 is: 6,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,690.52 : 17,540.10 = 4,299.81 : x
  2. Step 2: Convert to fraction form
    11,690.52/17,540.10 = 4,299.81/x
  3. Step 3: Cross multiply
    11,690.52x = 17,540.10 × 4,299.81
  4. Step 4: Simplify right side
    11,690.52x = 75,419,097.38
  5. Step 5: Solve for x
    x = 75,419,097.38/11,690.52
  6. Step 6: Final answer
    x = 6,451.30

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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.