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Finding the Fourth Proportional to 11.06, 15.26 and 9.44

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Solution

The fourth proportional to 11.06, 15.26 and 9.44 is: 13.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.06 : 15.26 = 9.44 : x
  2. Step 2: Convert to fraction form
    11.06/15.26 = 9.44/x
  3. Step 3: Cross multiply
    11.06x = 15.26 × 9.44
  4. Step 4: Simplify right side
    11.06x = 143.93
  5. Step 5: Solve for x
    x = 143.93/11.06
  6. Step 6: Final answer
    x = 13.02

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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.