Home / 11,217.27-15,480.02-6,181.79

Finding the Fourth Proportional to 11,217.27, 15,480.02 and 6,181.79

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Solution

The fourth proportional to 11,217.27, 15,480.02 and 6,181.79 is: 8,530.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.27 : 15,480.02 = 6,181.79 : x
  2. Step 2: Convert to fraction form
    11,217.27/15,480.02 = 6,181.79/x
  3. Step 3: Cross multiply
    11,217.27x = 15,480.02 × 6,181.79
  4. Step 4: Simplify right side
    11,217.27x = 95,694,232.84
  5. Step 5: Solve for x
    x = 95,694,232.84/11,217.27
  6. Step 6: Final answer
    x = 8,530.97

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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.