Home / 11,843.29-17,758.40-4,821.50

Finding the Fourth Proportional to 11,843.29, 17,758.40 and 4,821.50

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Solution

The fourth proportional to 11,843.29, 17,758.40 and 4,821.50 is: 7,229.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,843.29 : 17,758.40 = 4,821.50 : x
  2. Step 2: Convert to fraction form
    11,843.29/17,758.40 = 4,821.50/x
  3. Step 3: Cross multiply
    11,843.29x = 17,758.40 × 4,821.50
  4. Step 4: Simplify right side
    11,843.29x = 85,622,125.60
  5. Step 5: Solve for x
    x = 85,622,125.60/11,843.29
  6. Step 6: Final answer
    x = 7,229.59

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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.