Home / 12,375.91-18,563.86-3,610.82

Finding the Fourth Proportional to 12,375.91, 18,563.86 and 3,610.82

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Solution

The fourth proportional to 12,375.91, 18,563.86 and 3,610.82 is: 5,416.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375.91 : 18,563.86 = 3,610.82 : x
  2. Step 2: Convert to fraction form
    12,375.91/18,563.86 = 3,610.82/x
  3. Step 3: Cross multiply
    12,375.91x = 18,563.86 × 3,610.82
  4. Step 4: Simplify right side
    12,375.91x = 67,030,756.97
  5. Step 5: Solve for x
    x = 67,030,756.97/12,375.91
  6. Step 6: Final answer
    x = 5,416.23

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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.