Home / 11,822.87-17,734.34-4,427.17

Finding the Fourth Proportional to 11,822.87, 17,734.34 and 4,427.17

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Solution

The fourth proportional to 11,822.87, 17,734.34 and 4,427.17 is: 6,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,822.87 : 17,734.34 = 4,427.17 : x
  2. Step 2: Convert to fraction form
    11,822.87/17,734.34 = 4,427.17/x
  3. Step 3: Cross multiply
    11,822.87x = 17,734.34 × 4,427.17
  4. Step 4: Simplify right side
    11,822.87x = 78,512,904.75
  5. Step 5: Solve for x
    x = 78,512,904.75/11,822.87
  6. Step 6: Final answer
    x = 6,640.76

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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.