Home / 10,551.82-15,827.76-4,311.83

Finding the Fourth Proportional to 10,551.82, 15,827.76 and 4,311.83

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Solution

The fourth proportional to 10,551.82, 15,827.76 and 4,311.83 is: 6,467.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,551.82 : 15,827.76 = 4,311.83 : x
  2. Step 2: Convert to fraction form
    10,551.82/15,827.76 = 4,311.83/x
  3. Step 3: Cross multiply
    10,551.82x = 15,827.76 × 4,311.83
  4. Step 4: Simplify right side
    10,551.82x = 68,246,651.88
  5. Step 5: Solve for x
    x = 68,246,651.88/10,551.82
  6. Step 6: Final answer
    x = 6,467.76

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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.