Home / 11,348.40-17,022.60-4,422.90

Finding the Fourth Proportional to 11,348.40, 17,022.60 and 4,422.90

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Solution

The fourth proportional to 11,348.40, 17,022.60 and 4,422.90 is: 6,634.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.40 : 17,022.60 = 4,422.90 : x
  2. Step 2: Convert to fraction form
    11,348.40/17,022.60 = 4,422.90/x
  3. Step 3: Cross multiply
    11,348.40x = 17,022.60 × 4,422.90
  4. Step 4: Simplify right side
    11,348.40x = 75,289,257.54
  5. Step 5: Solve for x
    x = 75,289,257.54/11,348.40
  6. Step 6: Final answer
    x = 6,634.35

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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.