Home / 11,791.98-16,273.05-6,486.84

Finding the Fourth Proportional to 11,791.98, 16,273.05 and 6,486.84

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Solution

The fourth proportional to 11,791.98, 16,273.05 and 6,486.84 is: 8,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.98 : 16,273.05 = 6,486.84 : x
  2. Step 2: Convert to fraction form
    11,791.98/16,273.05 = 6,486.84/x
  3. Step 3: Cross multiply
    11,791.98x = 16,273.05 × 6,486.84
  4. Step 4: Simplify right side
    11,791.98x = 105,560,671.66
  5. Step 5: Solve for x
    x = 105,560,671.66/11,791.98
  6. Step 6: Final answer
    x = 8,951.90

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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.