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Finding the Fourth Proportional to 8,843.70, 13,248.19 and 5,138.18

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Solution

The fourth proportional to 8,843.70, 13,248.19 and 5,138.18 is: 7,697.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.70 : 13,248.19 = 5,138.18 : x
  2. Step 2: Convert to fraction form
    8,843.70/13,248.19 = 5,138.18/x
  3. Step 3: Cross multiply
    8,843.70x = 13,248.19 × 5,138.18
  4. Step 4: Simplify right side
    8,843.70x = 68,071,584.89
  5. Step 5: Solve for x
    x = 68,071,584.89/8,843.70
  6. Step 6: Final answer
    x = 7,697.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.