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Finding the Fourth Proportional to 12,375.59, 17,078.10 and 6,710.19

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Solution

The fourth proportional to 12,375.59, 17,078.10 and 6,710.19 is: 9,259.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.59 : 17,078.10 = 6,710.19 : x
  2. Step 2: Convert to fraction form
    12,375.59/17,078.10 = 6,710.19/x
  3. Step 3: Cross multiply
    12,375.59x = 17,078.10 × 6,710.19
  4. Step 4: Simplify right side
    12,375.59x = 114,597,295.84
  5. Step 5: Solve for x
    x = 114,597,295.84/12,375.59
  6. Step 6: Final answer
    x = 9,259.95

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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.