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Finding the Fourth Proportional to 11.07, 15.26 and 8.33

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Solution

The fourth proportional to 11.07, 15.26 and 8.33 is: 11.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.07 : 15.26 = 8.33 : x
  2. Step 2: Convert to fraction form
    11.07/15.26 = 8.33/x
  3. Step 3: Cross multiply
    11.07x = 15.26 × 8.33
  4. Step 4: Simplify right side
    11.07x = 127.00
  5. Step 5: Solve for x
    x = 127.00/11.07
  6. Step 6: Final answer
    x = 11.47

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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.