Home / 11,498.75-15,869.67-6,463.17

Finding the Fourth Proportional to 11,498.75, 15,869.67 and 6,463.17

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Solution

The fourth proportional to 11,498.75, 15,869.67 and 6,463.17 is: 8,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.75 : 15,869.67 = 6,463.17 : x
  2. Step 2: Convert to fraction form
    11,498.75/15,869.67 = 6,463.17/x
  3. Step 3: Cross multiply
    11,498.75x = 15,869.67 × 6,463.17
  4. Step 4: Simplify right side
    11,498.75x = 102,568,375.05
  5. Step 5: Solve for x
    x = 102,568,375.05/11,498.75
  6. Step 6: Final answer
    x = 8,919.96

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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.