Home / 11,040.45-16,559.05-3,645.15

Finding the Fourth Proportional to 11,040.45, 16,559.05 and 3,645.15

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Solution

The fourth proportional to 11,040.45, 16,559.05 and 3,645.15 is: 5,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.45 : 16,559.05 = 3,645.15 : x
  2. Step 2: Convert to fraction form
    11,040.45/16,559.05 = 3,645.15/x
  3. Step 3: Cross multiply
    11,040.45x = 16,559.05 × 3,645.15
  4. Step 4: Simplify right side
    11,040.45x = 60,360,221.11
  5. Step 5: Solve for x
    x = 60,360,221.11/11,040.45
  6. Step 6: Final answer
    x = 5,467.19

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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.