Home / 11,791.23-17,680.76-3,470.17

Finding the Fourth Proportional to 11,791.23, 17,680.76 and 3,470.17

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Solution

The fourth proportional to 11,791.23, 17,680.76 and 3,470.17 is: 5,203.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,791.23 : 17,680.76 = 3,470.17 : x
  2. Step 2: Convert to fraction form
    11,791.23/17,680.76 = 3,470.17/x
  3. Step 3: Cross multiply
    11,791.23x = 17,680.76 × 3,470.17
  4. Step 4: Simplify right side
    11,791.23x = 61,355,145.85
  5. Step 5: Solve for x
    x = 61,355,145.85/11,791.23
  6. Step 6: Final answer
    x = 5,203.46

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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.