Home / 11,244.39-16,866.90-3,453.21

Finding the Fourth Proportional to 11,244.39, 16,866.90 and 3,453.21

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Solution

The fourth proportional to 11,244.39, 16,866.90 and 3,453.21 is: 5,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,244.39 : 16,866.90 = 3,453.21 : x
  2. Step 2: Convert to fraction form
    11,244.39/16,866.90 = 3,453.21/x
  3. Step 3: Cross multiply
    11,244.39x = 16,866.90 × 3,453.21
  4. Step 4: Simplify right side
    11,244.39x = 58,244,947.75
  5. Step 5: Solve for x
    x = 58,244,947.75/11,244.39
  6. Step 6: Final answer
    x = 5,179.91

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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.