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Finding the Fourth Proportional to 11.46, 17.17 and 6.32

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Solution

The fourth proportional to 11.46, 17.17 and 6.32 is: 9.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.46 : 17.17 = 6.32 : x
  2. Step 2: Convert to fraction form
    11.46/17.17 = 6.32/x
  3. Step 3: Cross multiply
    11.46x = 17.17 × 6.32
  4. Step 4: Simplify right side
    11.46x = 108.51
  5. Step 5: Solve for x
    x = 108.51/11.46
  6. Step 6: Final answer
    x = 9.47

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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.