Home / 11,675.31-17,515.46-3,778.26

Finding the Fourth Proportional to 11,675.31, 17,515.46 and 3,778.26

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Solution

The fourth proportional to 11,675.31, 17,515.46 and 3,778.26 is: 5,668.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,675.31 : 17,515.46 = 3,778.26 : x
  2. Step 2: Convert to fraction form
    11,675.31/17,515.46 = 3,778.26/x
  3. Step 3: Cross multiply
    11,675.31x = 17,515.46 × 3,778.26
  4. Step 4: Simplify right side
    11,675.31x = 66,177,961.90
  5. Step 5: Solve for x
    x = 66,177,961.90/11,675.31
  6. Step 6: Final answer
    x = 5,668.20

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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.