Home / 11,222.20-16,833.78-3,826.36

Finding the Fourth Proportional to 11,222.20, 16,833.78 and 3,826.36

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Solution

The fourth proportional to 11,222.20, 16,833.78 and 3,826.36 is: 5,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,222.20 : 16,833.78 = 3,826.36 : x
  2. Step 2: Convert to fraction form
    11,222.20/16,833.78 = 3,826.36/x
  3. Step 3: Cross multiply
    11,222.20x = 16,833.78 × 3,826.36
  4. Step 4: Simplify right side
    11,222.20x = 64,412,102.44
  5. Step 5: Solve for x
    x = 64,412,102.44/11,222.20
  6. Step 6: Final answer
    x = 5,739.70

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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.