Home / 12,234.75-18,353.04-3,470.37

Finding the Fourth Proportional to 12,234.75, 18,353.04 and 3,470.37

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Solution

The fourth proportional to 12,234.75, 18,353.04 and 3,470.37 is: 5,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.75 : 18,353.04 = 3,470.37 : x
  2. Step 2: Convert to fraction form
    12,234.75/18,353.04 = 3,470.37/x
  3. Step 3: Cross multiply
    12,234.75x = 18,353.04 × 3,470.37
  4. Step 4: Simplify right side
    12,234.75x = 63,691,839.42
  5. Step 5: Solve for x
    x = 63,691,839.42/12,234.75
  6. Step 6: Final answer
    x = 5,205.81

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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.