Home / 8,229.35-12,342.43-2,225.42

Finding the Fourth Proportional to 8,229.35, 12,342.43 and 2,225.42

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Solution

The fourth proportional to 8,229.35, 12,342.43 and 2,225.42 is: 3,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.35 : 12,342.43 = 2,225.42 : x
  2. Step 2: Convert to fraction form
    8,229.35/12,342.43 = 2,225.42/x
  3. Step 3: Cross multiply
    8,229.35x = 12,342.43 × 2,225.42
  4. Step 4: Simplify right side
    8,229.35x = 27,467,134.83
  5. Step 5: Solve for x
    x = 27,467,134.83/8,229.35
  6. Step 6: Final answer
    x = 3,337.71

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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.