Home / 8,372.28-12,558.36-2,132.24

Finding the Fourth Proportional to 8,372.28, 12,558.36 and 2,132.24

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Solution

The fourth proportional to 8,372.28, 12,558.36 and 2,132.24 is: 3,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.28 : 12,558.36 = 2,132.24 : x
  2. Step 2: Convert to fraction form
    8,372.28/12,558.36 = 2,132.24/x
  3. Step 3: Cross multiply
    8,372.28x = 12,558.36 × 2,132.24
  4. Step 4: Simplify right side
    8,372.28x = 26,777,374.73
  5. Step 5: Solve for x
    x = 26,777,374.73/8,372.28
  6. Step 6: Final answer
    x = 3,198.34

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1.5x scale

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.