Home / 8,234.10-12,344.67-3,847.14

Finding the Fourth Proportional to 8,234.10, 12,344.67 and 3,847.14

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Solution

The fourth proportional to 8,234.10, 12,344.67 and 3,847.14 is: 5,767.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.10 : 12,344.67 = 3,847.14 : x
  2. Step 2: Convert to fraction form
    8,234.10/12,344.67 = 3,847.14/x
  3. Step 3: Cross multiply
    8,234.10x = 12,344.67 × 3,847.14
  4. Step 4: Simplify right side
    8,234.10x = 47,491,673.74
  5. Step 5: Solve for x
    x = 47,491,673.74/8,234.10
  6. Step 6: Final answer
    x = 5,767.68

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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.