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Finding the Fourth Proportional to 8,510.04, 11,722.92 and 7,247.04

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Solution

The fourth proportional to 8,510.04, 11,722.92 and 7,247.04 is: 9,983.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.04 : 11,722.92 = 7,247.04 : x
  2. Step 2: Convert to fraction form
    8,510.04/11,722.92 = 7,247.04/x
  3. Step 3: Cross multiply
    8,510.04x = 11,722.92 × 7,247.04
  4. Step 4: Simplify right side
    8,510.04x = 84,956,470.16
  5. Step 5: Solve for x
    x = 84,956,470.16/8,510.04
  6. Step 6: Final answer
    x = 9,983.09

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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.