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Finding the Fourth Proportional to 11.83, 16.33 and 6.98

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Solution

The fourth proportional to 11.83, 16.33 and 6.98 is: 9.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.83 : 16.33 = 6.98 : x
  2. Step 2: Convert to fraction form
    11.83/16.33 = 6.98/x
  3. Step 3: Cross multiply
    11.83x = 16.33 × 6.98
  4. Step 4: Simplify right side
    11.83x = 113.87
  5. Step 5: Solve for x
    x = 113.87/11.83
  6. Step 6: Final answer
    x = 9.63

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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.