Home / 11,996.82-16,551.81-8,272.98

Finding the Fourth Proportional to 11,996.82, 16,551.81 and 8,272.98

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Solution

The fourth proportional to 11,996.82, 16,551.81 and 8,272.98 is: 11,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,996.82 : 16,551.81 = 8,272.98 : x
  2. Step 2: Convert to fraction form
    11,996.82/16,551.81 = 8,272.98/x
  3. Step 3: Cross multiply
    11,996.82x = 16,551.81 × 8,272.98
  4. Step 4: Simplify right side
    11,996.82x = 136,932,793.09
  5. Step 5: Solve for x
    x = 136,932,793.09/11,996.82
  6. Step 6: Final answer
    x = 11,414.09

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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.