Home / 11,217.92-15,480.69-6,504.89

Finding the Fourth Proportional to 11,217.92, 15,480.69 and 6,504.89

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Solution

The fourth proportional to 11,217.92, 15,480.69 and 6,504.89 is: 8,976.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.92 : 15,480.69 = 6,504.89 : x
  2. Step 2: Convert to fraction form
    11,217.92/15,480.69 = 6,504.89/x
  3. Step 3: Cross multiply
    11,217.92x = 15,480.69 × 6,504.89
  4. Step 4: Simplify right side
    11,217.92x = 100,700,185.57
  5. Step 5: Solve for x
    x = 100,700,185.57/11,217.92
  6. Step 6: Final answer
    x = 8,976.73

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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.