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Finding the Fourth Proportional to 10.96, 16.37 and 9.35

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Solution

The fourth proportional to 10.96, 16.37 and 9.35 is: 13.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.96 : 16.37 = 9.35 : x
  2. Step 2: Convert to fraction form
    10.96/16.37 = 9.35/x
  3. Step 3: Cross multiply
    10.96x = 16.37 × 9.35
  4. Step 4: Simplify right side
    10.96x = 153.06
  5. Step 5: Solve for x
    x = 153.06/10.96
  6. Step 6: Final answer
    x = 13.97

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.