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Finding the Fourth Proportional to 12,227.04, 16,873.04 and 6,921.74

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Solution

The fourth proportional to 12,227.04, 16,873.04 and 6,921.74 is: 9,551.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,227.04 : 16,873.04 = 6,921.74 : x
  2. Step 2: Convert to fraction form
    12,227.04/16,873.04 = 6,921.74/x
  3. Step 3: Cross multiply
    12,227.04x = 16,873.04 × 6,921.74
  4. Step 4: Simplify right side
    12,227.04x = 116,790,855.38
  5. Step 5: Solve for x
    x = 116,790,855.38/12,227.04
  6. Step 6: Final answer
    x = 9,551.85

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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.