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Finding the Fourth Proportional to 12,096.84, 16,693.20 and 6,791.88

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Solution

The fourth proportional to 12,096.84, 16,693.20 and 6,791.88 is: 9,372.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096.84 : 16,693.20 = 6,791.88 : x
  2. Step 2: Convert to fraction form
    12,096.84/16,693.20 = 6,791.88/x
  3. Step 3: Cross multiply
    12,096.84x = 16,693.20 × 6,791.88
  4. Step 4: Simplify right side
    12,096.84x = 113,378,174.09
  5. Step 5: Solve for x
    x = 113,378,174.09/12,096.84
  6. Step 6: Final answer
    x = 9,372.55

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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.