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Finding the Fourth Proportional to 10,352.58, 14,279.32 and 6,375.90

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Solution

The fourth proportional to 10,352.58, 14,279.32 and 6,375.90 is: 8,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,352.58 : 14,279.32 = 6,375.90 : x
  2. Step 2: Convert to fraction form
    10,352.58/14,279.32 = 6,375.90/x
  3. Step 3: Cross multiply
    10,352.58x = 14,279.32 × 6,375.90
  4. Step 4: Simplify right side
    10,352.58x = 91,043,516.39
  5. Step 5: Solve for x
    x = 91,043,516.39/10,352.58
  6. Step 6: Final answer
    x = 8,794.28

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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.