Home / 11,872.12-16,383.62-6,567.29

Finding the Fourth Proportional to 11,872.12, 16,383.62 and 6,567.29

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Solution

The fourth proportional to 11,872.12, 16,383.62 and 6,567.29 is: 9,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.12 : 16,383.62 = 6,567.29 : x
  2. Step 2: Convert to fraction form
    11,872.12/16,383.62 = 6,567.29/x
  3. Step 3: Cross multiply
    11,872.12x = 16,383.62 × 6,567.29
  4. Step 4: Simplify right side
    11,872.12x = 107,595,983.79
  5. Step 5: Solve for x
    x = 107,595,983.79/11,872.12
  6. Step 6: Final answer
    x = 9,062.91

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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.