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Finding the Fourth Proportional to 8.26, 11.36 and 8.14

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Solution

The fourth proportional to 8.26, 11.36 and 8.14 is: 11.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.26 : 11.36 = 8.14 : x
  2. Step 2: Convert to fraction form
    8.26/11.36 = 8.14/x
  3. Step 3: Cross multiply
    8.26x = 11.36 × 8.14
  4. Step 4: Simplify right side
    8.26x = 92.47
  5. Step 5: Solve for x
    x = 92.47/8.26
  6. Step 6: Final answer
    x = 11.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.