Home / 12,446.06-18,660.11-5,865.75

Finding the Fourth Proportional to 12,446.06, 18,660.11 and 5,865.75

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Solution

The fourth proportional to 12,446.06, 18,660.11 and 5,865.75 is: 8,794.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446.06 : 18,660.11 = 5,865.75 : x
  2. Step 2: Convert to fraction form
    12,446.06/18,660.11 = 5,865.75/x
  3. Step 3: Cross multiply
    12,446.06x = 18,660.11 × 5,865.75
  4. Step 4: Simplify right side
    12,446.06x = 109,455,510.90
  5. Step 5: Solve for x
    x = 109,455,510.90/12,446.06
  6. Step 6: Final answer
    x = 8,794.39

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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.