Home / 12,234.56-18,359.12-4,443.96

Finding the Fourth Proportional to 12,234.56, 18,359.12 and 4,443.96

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Solution

The fourth proportional to 12,234.56, 18,359.12 and 4,443.96 is: 6,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.56 : 18,359.12 = 4,443.96 : x
  2. Step 2: Convert to fraction form
    12,234.56/18,359.12 = 4,443.96/x
  3. Step 3: Cross multiply
    12,234.56x = 18,359.12 × 4,443.96
  4. Step 4: Simplify right side
    12,234.56x = 81,587,194.92
  5. Step 5: Solve for x
    x = 81,587,194.92/12,234.56
  6. Step 6: Final answer
    x = 6,668.58

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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.