Home / 12,234.35-18,352.73-3,912.27

Finding the Fourth Proportional to 12,234.35, 18,352.73 and 3,912.27

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Solution

The fourth proportional to 12,234.35, 18,352.73 and 3,912.27 is: 5,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.35 : 18,352.73 = 3,912.27 : x
  2. Step 2: Convert to fraction form
    12,234.35/18,352.73 = 3,912.27/x
  3. Step 3: Cross multiply
    12,234.35x = 18,352.73 × 3,912.27
  4. Step 4: Simplify right side
    12,234.35x = 71,800,844.78
  5. Step 5: Solve for x
    x = 71,800,844.78/12,234.35
  6. Step 6: Final answer
    x = 5,868.79

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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.