Home / 11,217.44-15,480.36-6,181.52

Finding the Fourth Proportional to 11,217.44, 15,480.36 and 6,181.52

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Solution

The fourth proportional to 11,217.44, 15,480.36 and 6,181.52 is: 8,530.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.44 : 15,480.36 = 6,181.52 : x
  2. Step 2: Convert to fraction form
    11,217.44/15,480.36 = 6,181.52/x
  3. Step 3: Cross multiply
    11,217.44x = 15,480.36 × 6,181.52
  4. Step 4: Simplify right side
    11,217.44x = 95,692,154.95
  5. Step 5: Solve for x
    x = 95,692,154.95/11,217.44
  6. Step 6: Final answer
    x = 8,530.66

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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.