Home / 8,132.33-12,200.22-3,134.84

Finding the Fourth Proportional to 8,132.33, 12,200.22 and 3,134.84

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Solution

The fourth proportional to 8,132.33, 12,200.22 and 3,134.84 is: 4,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.33 : 12,200.22 = 3,134.84 : x
  2. Step 2: Convert to fraction form
    8,132.33/12,200.22 = 3,134.84/x
  3. Step 3: Cross multiply
    8,132.33x = 12,200.22 × 3,134.84
  4. Step 4: Simplify right side
    8,132.33x = 38,245,676.66
  5. Step 5: Solve for x
    x = 38,245,676.66/8,132.33
  6. Step 6: Final answer
    x = 4,702.92

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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.