Home / 11,872.10-16,383.60-6,567.09

Finding the Fourth Proportional to 11,872.10, 16,383.60 and 6,567.09

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Solution

The fourth proportional to 11,872.10, 16,383.60 and 6,567.09 is: 9,062.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,872.10 : 16,383.60 = 6,567.09 : x
  2. Step 2: Convert to fraction form
    11,872.10/16,383.60 = 6,567.09/x
  3. Step 3: Cross multiply
    11,872.10x = 16,383.60 × 6,567.09
  4. Step 4: Simplify right side
    11,872.10x = 107,592,575.72
  5. Step 5: Solve for x
    x = 107,592,575.72/11,872.10
  6. Step 6: Final answer
    x = 9,062.64

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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.