Home / 11,146.50-16,721.19-3,355.34

Finding the Fourth Proportional to 11,146.50, 16,721.19 and 3,355.34

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Solution

The fourth proportional to 11,146.50, 16,721.19 and 3,355.34 is: 5,033.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146.50 : 16,721.19 = 3,355.34 : x
  2. Step 2: Convert to fraction form
    11,146.50/16,721.19 = 3,355.34/x
  3. Step 3: Cross multiply
    11,146.50x = 16,721.19 × 3,355.34
  4. Step 4: Simplify right side
    11,146.50x = 56,105,194.05
  5. Step 5: Solve for x
    x = 56,105,194.05/11,146.50
  6. Step 6: Final answer
    x = 5,033.44

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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.