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Finding the Fourth Proportional to 8,710.03, 12,011.66 and 6,717.43

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Solution

The fourth proportional to 8,710.03, 12,011.66 and 6,717.43 is: 9,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,710.03 : 12,011.66 = 6,717.43 : x
  2. Step 2: Convert to fraction form
    8,710.03/12,011.66 = 6,717.43/x
  3. Step 3: Cross multiply
    8,710.03x = 12,011.66 × 6,717.43
  4. Step 4: Simplify right side
    8,710.03x = 80,687,451.65
  5. Step 5: Solve for x
    x = 80,687,451.65/8,710.03
  6. Step 6: Final answer
    x = 9,263.74

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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.