Home / 8,126.43-12,190.55-3,195.42

Finding the Fourth Proportional to 8,126.43, 12,190.55 and 3,195.42

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Solution

The fourth proportional to 8,126.43, 12,190.55 and 3,195.42 is: 4,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126.43 : 12,190.55 = 3,195.42 : x
  2. Step 2: Convert to fraction form
    8,126.43/12,190.55 = 3,195.42/x
  3. Step 3: Cross multiply
    8,126.43x = 12,190.55 × 3,195.42
  4. Step 4: Simplify right side
    8,126.43x = 38,953,911.30
  5. Step 5: Solve for x
    x = 38,953,911.30/8,126.43
  6. Step 6: Final answer
    x = 4,793.48

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.