Home / 11,972.20-17,961.82-6,132.76

Finding the Fourth Proportional to 11,972.20, 17,961.82 and 6,132.76

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Solution

The fourth proportional to 11,972.20, 17,961.82 and 6,132.76 is: 9,200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,972.20 : 17,961.82 = 6,132.76 : x
  2. Step 2: Convert to fraction form
    11,972.20/17,961.82 = 6,132.76/x
  3. Step 3: Cross multiply
    11,972.20x = 17,961.82 × 6,132.76
  4. Step 4: Simplify right side
    11,972.20x = 110,155,531.22
  5. Step 5: Solve for x
    x = 110,155,531.22/11,972.20
  6. Step 6: Final answer
    x = 9,200.94

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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.