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Finding the Fourth Proportional to 8,149.25, 11,245.97 and 4,423.25

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Solution

The fourth proportional to 8,149.25, 11,245.97 and 4,423.25 is: 6,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,149.25 : 11,245.97 = 4,423.25 : x
  2. Step 2: Convert to fraction form
    8,149.25/11,245.97 = 4,423.25/x
  3. Step 3: Cross multiply
    8,149.25x = 11,245.97 × 4,423.25
  4. Step 4: Simplify right side
    8,149.25x = 49,743,736.80
  5. Step 5: Solve for x
    x = 49,743,736.80/8,149.25
  6. Step 6: Final answer
    x = 6,104.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.