Home / 12,230.16-16,876.68-7,194.56

Finding the Fourth Proportional to 12,230.16, 16,876.68 and 7,194.56

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Solution

The fourth proportional to 12,230.16, 16,876.68 and 7,194.56 is: 9,927.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.16 : 16,876.68 = 7,194.56 : x
  2. Step 2: Convert to fraction form
    12,230.16/16,876.68 = 7,194.56/x
  3. Step 3: Cross multiply
    12,230.16x = 16,876.68 × 7,194.56
  4. Step 4: Simplify right side
    12,230.16x = 121,420,286.86
  5. Step 5: Solve for x
    x = 121,420,286.86/12,230.16
  6. Step 6: Final answer
    x = 9,927.94

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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.