Home / 7,399.28-11,100.66-2,205.26

Finding the Fourth Proportional to 7,399.28, 11,100.66 and 2,205.26

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Solution

The fourth proportional to 7,399.28, 11,100.66 and 2,205.26 is: 3,308.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.28 : 11,100.66 = 2,205.26 : x
  2. Step 2: Convert to fraction form
    7,399.28/11,100.66 = 2,205.26/x
  3. Step 3: Cross multiply
    7,399.28x = 11,100.66 × 2,205.26
  4. Step 4: Simplify right side
    7,399.28x = 24,479,841.47
  5. Step 5: Solve for x
    x = 24,479,841.47/7,399.28
  6. Step 6: Final answer
    x = 3,308.41

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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.