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Finding the Fourth Proportional to 8,713.62, 12,024.40 and 4,936.70

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Solution

The fourth proportional to 8,713.62, 12,024.40 and 4,936.70 is: 6,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.62 : 12,024.40 = 4,936.70 : x
  2. Step 2: Convert to fraction form
    8,713.62/12,024.40 = 4,936.70/x
  3. Step 3: Cross multiply
    8,713.62x = 12,024.40 × 4,936.70
  4. Step 4: Simplify right side
    8,713.62x = 59,360,855.48
  5. Step 5: Solve for x
    x = 59,360,855.48/8,713.62
  6. Step 6: Final answer
    x = 6,812.42

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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.