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Finding the Fourth Proportional to 8,713.14, 12,023.34 and 4,936.62

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Solution

The fourth proportional to 8,713.14, 12,023.34 and 4,936.62 is: 6,812.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,713.14 : 12,023.34 = 4,936.62 : x
  2. Step 2: Convert to fraction form
    8,713.14/12,023.34 = 4,936.62/x
  3. Step 3: Cross multiply
    8,713.14x = 12,023.34 × 4,936.62
  4. Step 4: Simplify right side
    8,713.14x = 59,354,660.71
  5. Step 5: Solve for x
    x = 59,354,660.71/8,713.14
  6. Step 6: Final answer
    x = 6,812.09

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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.