Home / 10,826.92-16,238.93-3,432.12

Finding the Fourth Proportional to 10,826.92, 16,238.93 and 3,432.12

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Solution

The fourth proportional to 10,826.92, 16,238.93 and 3,432.12 is: 5,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,826.92 : 16,238.93 = 3,432.12 : x
  2. Step 2: Convert to fraction form
    10,826.92/16,238.93 = 3,432.12/x
  3. Step 3: Cross multiply
    10,826.92x = 16,238.93 × 3,432.12
  4. Step 4: Simplify right side
    10,826.92x = 55,733,989.02
  5. Step 5: Solve for x
    x = 55,733,989.02/10,826.92
  6. Step 6: Final answer
    x = 5,147.73

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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.