Home / 8,115.44-12,173.27-2,850.24

Finding the Fourth Proportional to 8,115.44, 12,173.27 and 2,850.24

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Solution

The fourth proportional to 8,115.44, 12,173.27 and 2,850.24 is: 4,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.44 : 12,173.27 = 2,850.24 : x
  2. Step 2: Convert to fraction form
    8,115.44/12,173.27 = 2,850.24/x
  3. Step 3: Cross multiply
    8,115.44x = 12,173.27 × 2,850.24
  4. Step 4: Simplify right side
    8,115.44x = 34,696,726.83
  5. Step 5: Solve for x
    x = 34,696,726.83/8,115.44
  6. Step 6: Final answer
    x = 4,275.40

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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.