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Finding the Fourth Proportional to 9,910.14, 13,672.17 and 6,375.30

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Solution

The fourth proportional to 9,910.14, 13,672.17 and 6,375.30 is: 8,795.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,910.14 : 13,672.17 = 6,375.30 : x
  2. Step 2: Convert to fraction form
    9,910.14/13,672.17 = 6,375.30/x
  3. Step 3: Cross multiply
    9,910.14x = 13,672.17 × 6,375.30
  4. Step 4: Simplify right side
    9,910.14x = 87,164,185.40
  5. Step 5: Solve for x
    x = 87,164,185.40/9,910.14
  6. Step 6: Final answer
    x = 8,795.45

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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.