Home / 11,872.38-16,383.24-6,566.88

Finding the Fourth Proportional to 11,872.38, 16,383.24 and 6,566.88

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Solution

The fourth proportional to 11,872.38, 16,383.24 and 6,566.88 is: 9,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.38 : 16,383.24 = 6,566.88 : x
  2. Step 2: Convert to fraction form
    11,872.38/16,383.24 = 6,566.88/x
  3. Step 3: Cross multiply
    11,872.38x = 16,383.24 × 6,566.88
  4. Step 4: Simplify right side
    11,872.38x = 107,586,771.09
  5. Step 5: Solve for x
    x = 107,586,771.09/11,872.38
  6. Step 6: Final answer
    x = 9,061.94

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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.