Home / 11,217.74-15,480.44-6,181.95

Finding the Fourth Proportional to 11,217.74, 15,480.44 and 6,181.95

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Solution

The fourth proportional to 11,217.74, 15,480.44 and 6,181.95 is: 8,531.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.74 : 15,480.44 = 6,181.95 : x
  2. Step 2: Convert to fraction form
    11,217.74/15,480.44 = 6,181.95/x
  3. Step 3: Cross multiply
    11,217.74x = 15,480.44 × 6,181.95
  4. Step 4: Simplify right side
    11,217.74x = 95,699,275.15
  5. Step 5: Solve for x
    x = 95,699,275.15/11,217.74
  6. Step 6: Final answer
    x = 8,531.07

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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.