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Finding the Fourth Proportional to 9,738.56, 13,441.12 and 6,375.36

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Solution

The fourth proportional to 9,738.56, 13,441.12 and 6,375.36 is: 8,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,738.56 : 13,441.12 = 6,375.36 : x
  2. Step 2: Convert to fraction form
    9,738.56/13,441.12 = 6,375.36/x
  3. Step 3: Cross multiply
    9,738.56x = 13,441.12 × 6,375.36
  4. Step 4: Simplify right side
    9,738.56x = 85,691,978.80
  5. Step 5: Solve for x
    x = 85,691,978.80/9,738.56
  6. Step 6: Final answer
    x = 8,799.25

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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.