Home / 8,167.03-12,255.99-5,247.43

Finding the Fourth Proportional to 8,167.03, 12,255.99 and 5,247.43

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Solution

The fourth proportional to 8,167.03, 12,255.99 and 5,247.43 is: 7,874.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.03 : 12,255.99 = 5,247.43 : x
  2. Step 2: Convert to fraction form
    8,167.03/12,255.99 = 5,247.43/x
  3. Step 3: Cross multiply
    8,167.03x = 12,255.99 × 5,247.43
  4. Step 4: Simplify right side
    8,167.03x = 64,312,449.61
  5. Step 5: Solve for x
    x = 64,312,449.61/8,167.03
  6. Step 6: Final answer
    x = 7,874.64

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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.