Home / 11,205.31-16,807.97-3,414.13

Finding the Fourth Proportional to 11,205.31, 16,807.97 and 3,414.13

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Solution

The fourth proportional to 11,205.31, 16,807.97 and 3,414.13 is: 5,121.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.31 : 16,807.97 = 3,414.13 : x
  2. Step 2: Convert to fraction form
    11,205.31/16,807.97 = 3,414.13/x
  3. Step 3: Cross multiply
    11,205.31x = 16,807.97 × 3,414.13
  4. Step 4: Simplify right side
    11,205.31x = 57,384,594.62
  5. Step 5: Solve for x
    x = 57,384,594.62/11,205.31
  6. Step 6: Final answer
    x = 5,121.20

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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.