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Finding the Fourth Proportional to 8,770.34, 12,106.68 and 6,252.86

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Solution

The fourth proportional to 8,770.34, 12,106.68 and 6,252.86 is: 8,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.34 : 12,106.68 = 6,252.86 : x
  2. Step 2: Convert to fraction form
    8,770.34/12,106.68 = 6,252.86/x
  3. Step 3: Cross multiply
    8,770.34x = 12,106.68 × 6,252.86
  4. Step 4: Simplify right side
    8,770.34x = 75,701,375.10
  5. Step 5: Solve for x
    x = 75,701,375.10/8,770.34
  6. Step 6: Final answer
    x = 8,631.52

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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.