Home / 11,422.62-17,135.30-4,025.55

Finding the Fourth Proportional to 11,422.62, 17,135.30 and 4,025.55

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Solution

The fourth proportional to 11,422.62, 17,135.30 and 4,025.55 is: 6,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,422.62 : 17,135.30 = 4,025.55 : x
  2. Step 2: Convert to fraction form
    11,422.62/17,135.30 = 4,025.55/x
  3. Step 3: Cross multiply
    11,422.62x = 17,135.30 × 4,025.55
  4. Step 4: Simplify right side
    11,422.62x = 68,978,962.21
  5. Step 5: Solve for x
    x = 68,978,962.21/11,422.62
  6. Step 6: Final answer
    x = 6,038.80

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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.