Home / 12,234.80-18,352.24-4,445.84

Finding the Fourth Proportional to 12,234.80, 18,352.24 and 4,445.84

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Solution

The fourth proportional to 12,234.80, 18,352.24 and 4,445.84 is: 6,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.80 : 18,352.24 = 4,445.84 : x
  2. Step 2: Convert to fraction form
    12,234.80/18,352.24 = 4,445.84/x
  3. Step 3: Cross multiply
    12,234.80x = 18,352.24 × 4,445.84
  4. Step 4: Simplify right side
    12,234.80x = 81,591,122.68
  5. Step 5: Solve for x
    x = 81,591,122.68/12,234.80
  6. Step 6: Final answer
    x = 6,668.77

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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.