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Finding the Fourth Proportional to 12,104.39, 16,704.49 and 6,799.10

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Solution

The fourth proportional to 12,104.39, 16,704.49 and 6,799.10 is: 9,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,104.39 : 16,704.49 = 6,799.10 : x
  2. Step 2: Convert to fraction form
    12,104.39/16,704.49 = 6,799.10/x
  3. Step 3: Cross multiply
    12,104.39x = 16,704.49 × 6,799.10
  4. Step 4: Simplify right side
    12,104.39x = 113,575,414.44
  5. Step 5: Solve for x
    x = 113,575,414.44/12,104.39
  6. Step 6: Final answer
    x = 9,382.99

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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.