Home / 12,234.02-16,882.98-7,198.43

Finding the Fourth Proportional to 12,234.02, 16,882.98 and 7,198.43

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Solution

The fourth proportional to 12,234.02, 16,882.98 and 7,198.43 is: 9,933.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.02 : 16,882.98 = 7,198.43 : x
  2. Step 2: Convert to fraction form
    12,234.02/16,882.98 = 7,198.43/x
  3. Step 3: Cross multiply
    12,234.02x = 16,882.98 × 7,198.43
  4. Step 4: Simplify right side
    12,234.02x = 121,530,949.72
  5. Step 5: Solve for x
    x = 121,530,949.72/12,234.02
  6. Step 6: Final answer
    x = 9,933.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.