Home / 11,476.72-17,198.92-9,126.30

Finding the Fourth Proportional to 11,476.72, 17,198.92 and 9,126.30

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Solution

The fourth proportional to 11,476.72, 17,198.92 and 9,126.30 is: 13,676.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.72 : 17,198.92 = 9,126.30 : x
  2. Step 2: Convert to fraction form
    11,476.72/17,198.92 = 9,126.30/x
  3. Step 3: Cross multiply
    11,476.72x = 17,198.92 × 9,126.30
  4. Step 4: Simplify right side
    11,476.72x = 156,962,383.05
  5. Step 5: Solve for x
    x = 156,962,383.05/11,476.72
  6. Step 6: Final answer
    x = 13,676.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.