Home / 11,818.44-17,730.30-4,422.96

Finding the Fourth Proportional to 11,818.44, 17,730.30 and 4,422.96

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Solution

The fourth proportional to 11,818.44, 17,730.30 and 4,422.96 is: 6,635.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.44 : 17,730.30 = 4,422.96 : x
  2. Step 2: Convert to fraction form
    11,818.44/17,730.30 = 4,422.96/x
  3. Step 3: Cross multiply
    11,818.44x = 17,730.30 × 4,422.96
  4. Step 4: Simplify right side
    11,818.44x = 78,420,407.69
  5. Step 5: Solve for x
    x = 78,420,407.69/11,818.44
  6. Step 6: Final answer
    x = 6,635.43

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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.