Home / 11,120.41-16,680.81-3,723.49

Finding the Fourth Proportional to 11,120.41, 16,680.81 and 3,723.49

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Solution

The fourth proportional to 11,120.41, 16,680.81 and 3,723.49 is: 5,585.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.41 : 16,680.81 = 3,723.49 : x
  2. Step 2: Convert to fraction form
    11,120.41/16,680.81 = 3,723.49/x
  3. Step 3: Cross multiply
    11,120.41x = 16,680.81 × 3,723.49
  4. Step 4: Simplify right side
    11,120.41x = 62,110,745.82
  5. Step 5: Solve for x
    x = 62,110,745.82/11,120.41
  6. Step 6: Final answer
    x = 5,585.30

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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.