Home / 11,821.92-17,738.40-4,801.44

Finding the Fourth Proportional to 11,821.92, 17,738.40 and 4,801.44

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Solution

The fourth proportional to 11,821.92, 17,738.40 and 4,801.44 is: 7,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,821.92 : 17,738.40 = 4,801.44 : x
  2. Step 2: Convert to fraction form
    11,821.92/17,738.40 = 4,801.44/x
  3. Step 3: Cross multiply
    11,821.92x = 17,738.40 × 4,801.44
  4. Step 4: Simplify right side
    11,821.92x = 85,169,863.30
  5. Step 5: Solve for x
    x = 85,169,863.30/11,821.92
  6. Step 6: Final answer
    x = 7,204.40

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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.