Home / 11,131.10-16,694.02-3,231.53

Finding the Fourth Proportional to 11,131.10, 16,694.02 and 3,231.53

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Solution

The fourth proportional to 11,131.10, 16,694.02 and 3,231.53 is: 4,846.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,131.10 : 16,694.02 = 3,231.53 : x
  2. Step 2: Convert to fraction form
    11,131.10/16,694.02 = 3,231.53/x
  3. Step 3: Cross multiply
    11,131.10x = 16,694.02 × 3,231.53
  4. Step 4: Simplify right side
    11,131.10x = 53,947,226.45
  5. Step 5: Solve for x
    x = 53,947,226.45/11,131.10
  6. Step 6: Final answer
    x = 4,846.53

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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.