Home / 10,222.92-15,334.20-2,826.54

Finding the Fourth Proportional to 10,222.92, 15,334.20 and 2,826.54

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Solution

The fourth proportional to 10,222.92, 15,334.20 and 2,826.54 is: 4,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.92 : 15,334.20 = 2,826.54 : x
  2. Step 2: Convert to fraction form
    10,222.92/15,334.20 = 2,826.54/x
  3. Step 3: Cross multiply
    10,222.92x = 15,334.20 × 2,826.54
  4. Step 4: Simplify right side
    10,222.92x = 43,342,729.67
  5. Step 5: Solve for x
    x = 43,342,729.67/10,222.92
  6. Step 6: Final answer
    x = 4,239.76

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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.