Home / 8,204.33-12,306.55-3,520.38

Finding the Fourth Proportional to 8,204.33, 12,306.55 and 3,520.38

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Solution

The fourth proportional to 8,204.33, 12,306.55 and 3,520.38 is: 5,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.33 : 12,306.55 = 3,520.38 : x
  2. Step 2: Convert to fraction form
    8,204.33/12,306.55 = 3,520.38/x
  3. Step 3: Cross multiply
    8,204.33x = 12,306.55 × 3,520.38
  4. Step 4: Simplify right side
    8,204.33x = 43,323,732.49
  5. Step 5: Solve for x
    x = 43,323,732.49/8,204.33
  6. Step 6: Final answer
    x = 5,280.59

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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.