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Finding the Fourth Proportional to 8,114.64, 12,173.15 and 2,566.73

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Solution

The fourth proportional to 8,114.64, 12,173.15 and 2,566.73 is: 3,850.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.64 : 12,173.15 = 2,566.73 : x
  2. Step 2: Convert to fraction form
    8,114.64/12,173.15 = 2,566.73/x
  3. Step 3: Cross multiply
    8,114.64x = 12,173.15 × 2,566.73
  4. Step 4: Simplify right side
    8,114.64x = 31,245,134.85
  5. Step 5: Solve for x
    x = 31,245,134.85/8,114.64
  6. Step 6: Final answer
    x = 3,850.46

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Double scale
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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.