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Finding the Fourth Proportional to 11,086, 16,629 and 4,930

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Solution

The fourth proportional to 11,086, 16,629 and 4,930 is: 7,395

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,086 : 16,629 = 4,930 : x
  2. Step 2: Convert to fraction form
    11,086/16,629 = 4,930/x
  3. Step 3: Cross multiply
    11,086x = 16,629 × 4,930
  4. Step 4: Simplify right side
    11,086x = 81,980,970
  5. Step 5: Solve for x
    x = 81,980,970/11,086
  6. Step 6: Final answer
    x = 7,395

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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.