Home / 11,135.10-16,702.11-3,738.99

Finding the Fourth Proportional to 11,135.10, 16,702.11 and 3,738.99

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Solution

The fourth proportional to 11,135.10, 16,702.11 and 3,738.99 is: 5,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135.10 : 16,702.11 = 3,738.99 : x
  2. Step 2: Convert to fraction form
    11,135.10/16,702.11 = 3,738.99/x
  3. Step 3: Cross multiply
    11,135.10x = 16,702.11 × 3,738.99
  4. Step 4: Simplify right side
    11,135.10x = 62,449,022.27
  5. Step 5: Solve for x
    x = 62,449,022.27/11,135.10
  6. Step 6: Final answer
    x = 5,608.30

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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.