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Finding the Fourth Proportional to 8,245.84, 11,380.72 and 6,253.04

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Solution

The fourth proportional to 8,245.84, 11,380.72 and 6,253.04 is: 8,630.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.84 : 11,380.72 = 6,253.04 : x
  2. Step 2: Convert to fraction form
    8,245.84/11,380.72 = 6,253.04/x
  3. Step 3: Cross multiply
    8,245.84x = 11,380.72 × 6,253.04
  4. Step 4: Simplify right side
    8,245.84x = 71,164,084.57
  5. Step 5: Solve for x
    x = 71,164,084.57/8,245.84
  6. Step 6: Final answer
    x = 8,630.30

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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.