Home / 11,183.92-16,778.31-3,393.34

Finding the Fourth Proportional to 11,183.92, 16,778.31 and 3,393.34

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Solution

The fourth proportional to 11,183.92, 16,778.31 and 3,393.34 is: 5,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,183.92 : 16,778.31 = 3,393.34 : x
  2. Step 2: Convert to fraction form
    11,183.92/16,778.31 = 3,393.34/x
  3. Step 3: Cross multiply
    11,183.92x = 16,778.31 × 3,393.34
  4. Step 4: Simplify right side
    11,183.92x = 56,934,510.46
  5. Step 5: Solve for x
    x = 56,934,510.46/11,183.92
  6. Step 6: Final answer
    x = 5,090.75

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1.5x scale

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.