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Finding the Fourth Proportional to 12,459.41, 17,193.90 and 6,794.17

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Solution

The fourth proportional to 12,459.41, 17,193.90 and 6,794.17 is: 9,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.41 : 17,193.90 = 6,794.17 : x
  2. Step 2: Convert to fraction form
    12,459.41/17,193.90 = 6,794.17/x
  3. Step 3: Cross multiply
    12,459.41x = 17,193.90 × 6,794.17
  4. Step 4: Simplify right side
    12,459.41x = 116,818,279.56
  5. Step 5: Solve for x
    x = 116,818,279.56/12,459.41
  6. Step 6: Final answer
    x = 9,375.91

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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.