Home / 11,791.50-17,676.06-4,390.92

Finding the Fourth Proportional to 11,791.50, 17,676.06 and 4,390.92

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Solution

The fourth proportional to 11,791.50, 17,676.06 and 4,390.92 is: 6,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.50 : 17,676.06 = 4,390.92 : x
  2. Step 2: Convert to fraction form
    11,791.50/17,676.06 = 4,390.92/x
  3. Step 3: Cross multiply
    11,791.50x = 17,676.06 × 4,390.92
  4. Step 4: Simplify right side
    11,791.50x = 77,614,165.38
  5. Step 5: Solve for x
    x = 77,614,165.38/11,791.50
  6. Step 6: Final answer
    x = 6,582.21

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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.