Home / 8,218.06-12,325.92-2,671.48

Finding the Fourth Proportional to 8,218.06, 12,325.92 and 2,671.48

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Solution

The fourth proportional to 8,218.06, 12,325.92 and 2,671.48 is: 4,006.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.06 : 12,325.92 = 2,671.48 : x
  2. Step 2: Convert to fraction form
    8,218.06/12,325.92 = 2,671.48/x
  3. Step 3: Cross multiply
    8,218.06x = 12,325.92 × 2,671.48
  4. Step 4: Simplify right side
    8,218.06x = 32,928,469.18
  5. Step 5: Solve for x
    x = 32,928,469.18/8,218.06
  6. Step 6: Final answer
    x = 4,006.84

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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.