Home / 11,217.94-15,480.76-6,504.96

Finding the Fourth Proportional to 11,217.94, 15,480.76 and 6,504.96

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Solution

The fourth proportional to 11,217.94, 15,480.76 and 6,504.96 is: 8,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.94 : 15,480.76 = 6,504.96 : x
  2. Step 2: Convert to fraction form
    11,217.94/15,480.76 = 6,504.96/x
  3. Step 3: Cross multiply
    11,217.94x = 15,480.76 × 6,504.96
  4. Step 4: Simplify right side
    11,217.94x = 100,701,724.57
  5. Step 5: Solve for x
    x = 100,701,724.57/11,217.94
  6. Step 6: Final answer
    x = 8,976.85

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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.