Home / 9,418.48-14,129.22-3,179.04

Finding the Fourth Proportional to 9,418.48, 14,129.22 and 3,179.04

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Solution

The fourth proportional to 9,418.48, 14,129.22 and 3,179.04 is: 4,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.48 : 14,129.22 = 3,179.04 : x
  2. Step 2: Convert to fraction form
    9,418.48/14,129.22 = 3,179.04/x
  3. Step 3: Cross multiply
    9,418.48x = 14,129.22 × 3,179.04
  4. Step 4: Simplify right side
    9,418.48x = 44,917,355.55
  5. Step 5: Solve for x
    x = 44,917,355.55/9,418.48
  6. Step 6: Final answer
    x = 4,769.07

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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.