Home / 8,158.29-12,237.22-2,314.90

Finding the Fourth Proportional to 8,158.29, 12,237.22 and 2,314.90

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Solution

The fourth proportional to 8,158.29, 12,237.22 and 2,314.90 is: 3,472.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.29 : 12,237.22 = 2,314.90 : x
  2. Step 2: Convert to fraction form
    8,158.29/12,237.22 = 2,314.90/x
  3. Step 3: Cross multiply
    8,158.29x = 12,237.22 × 2,314.90
  4. Step 4: Simplify right side
    8,158.29x = 28,327,940.58
  5. Step 5: Solve for x
    x = 28,327,940.58/8,158.29
  6. Step 6: Final answer
    x = 3,472.29

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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.