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Finding the Fourth Proportional to 8,247.90, 12,373.68 and 4,090.17

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Solution

The fourth proportional to 8,247.90, 12,373.68 and 4,090.17 is: 6,136.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,247.90 : 12,373.68 = 4,090.17 : x
  2. Step 2: Convert to fraction form
    8,247.90/12,373.68 = 4,090.17/x
  3. Step 3: Cross multiply
    8,247.90x = 12,373.68 × 4,090.17
  4. Step 4: Simplify right side
    8,247.90x = 50,610,454.73
  5. Step 5: Solve for x
    x = 50,610,454.73/8,247.90
  6. Step 6: Final answer
    x = 6,136.16

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1.5x scale

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.