Home / 11,161.73-16,743.20-3,370.34

Finding the Fourth Proportional to 11,161.73, 16,743.20 and 3,370.34

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Solution

The fourth proportional to 11,161.73, 16,743.20 and 3,370.34 is: 5,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161.73 : 16,743.20 = 3,370.34 : x
  2. Step 2: Convert to fraction form
    11,161.73/16,743.20 = 3,370.34/x
  3. Step 3: Cross multiply
    11,161.73x = 16,743.20 × 3,370.34
  4. Step 4: Simplify right side
    11,161.73x = 56,430,276.69
  5. Step 5: Solve for x
    x = 56,430,276.69/11,161.73
  6. Step 6: Final answer
    x = 5,055.69

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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.