Home / 11,195.82-15,449.33-6,480.41

Finding the Fourth Proportional to 11,195.82, 15,449.33 and 6,480.41

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Solution

The fourth proportional to 11,195.82, 15,449.33 and 6,480.41 is: 8,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.82 : 15,449.33 = 6,480.41 : x
  2. Step 2: Convert to fraction form
    11,195.82/15,449.33 = 6,480.41/x
  3. Step 3: Cross multiply
    11,195.82x = 15,449.33 × 6,480.41
  4. Step 4: Simplify right side
    11,195.82x = 100,117,931.58
  5. Step 5: Solve for x
    x = 100,117,931.58/11,195.82
  6. Step 6: Final answer
    x = 8,942.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.