Home / 11,243.22-16,859.97-3,450.21

Finding the Fourth Proportional to 11,243.22, 16,859.97 and 3,450.21

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Solution

The fourth proportional to 11,243.22, 16,859.97 and 3,450.21 is: 5,173.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,243.22 : 16,859.97 = 3,450.21 : x
  2. Step 2: Convert to fraction form
    11,243.22/16,859.97 = 3,450.21/x
  3. Step 3: Cross multiply
    11,243.22x = 16,859.97 × 3,450.21
  4. Step 4: Simplify right side
    11,243.22x = 58,170,437.09
  5. Step 5: Solve for x
    x = 58,170,437.09/11,243.22
  6. Step 6: Final answer
    x = 5,173.82

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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.