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Finding the Fourth Proportional to 11.16, 16.73 and 7.95

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Solution

The fourth proportional to 11.16, 16.73 and 7.95 is: 11.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.16 : 16.73 = 7.95 : x
  2. Step 2: Convert to fraction form
    11.16/16.73 = 7.95/x
  3. Step 3: Cross multiply
    11.16x = 16.73 × 7.95
  4. Step 4: Simplify right side
    11.16x = 132.96
  5. Step 5: Solve for x
    x = 132.96/11.16
  6. Step 6: Final answer
    x = 11.91

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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.