Home / 8,261.11-12,378.70-5,759.83

Finding the Fourth Proportional to 8,261.11, 12,378.70 and 5,759.83

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Solution

The fourth proportional to 8,261.11, 12,378.70 and 5,759.83 is: 8,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,261.11 : 12,378.70 = 5,759.83 : x
  2. Step 2: Convert to fraction form
    8,261.11/12,378.70 = 5,759.83/x
  3. Step 3: Cross multiply
    8,261.11x = 12,378.70 × 5,759.83
  4. Step 4: Simplify right side
    8,261.11x = 71,299,207.62
  5. Step 5: Solve for x
    x = 71,299,207.62/8,261.11
  6. Step 6: Final answer
    x = 8,630.71

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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.