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Finding the Fourth Proportional to 11.73, 16.14 and 10.96

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Solution

The fourth proportional to 11.73, 16.14 and 10.96 is: 15.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.73 : 16.14 = 10.96 : x
  2. Step 2: Convert to fraction form
    11.73/16.14 = 10.96/x
  3. Step 3: Cross multiply
    11.73x = 16.14 × 10.96
  4. Step 4: Simplify right side
    11.73x = 176.89
  5. Step 5: Solve for x
    x = 176.89/11.73
  6. Step 6: Final answer
    x = 15.08

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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.