Home / 11,211.75-16,809.19-6,770.93

Finding the Fourth Proportional to 11,211.75, 16,809.19 and 6,770.93

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Solution

The fourth proportional to 11,211.75, 16,809.19 and 6,770.93 is: 10,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,211.75 : 16,809.19 = 6,770.93 : x
  2. Step 2: Convert to fraction form
    11,211.75/16,809.19 = 6,770.93/x
  3. Step 3: Cross multiply
    11,211.75x = 16,809.19 × 6,770.93
  4. Step 4: Simplify right side
    11,211.75x = 113,813,747.87
  5. Step 5: Solve for x
    x = 113,813,747.87/11,211.75
  6. Step 6: Final answer
    x = 10,151.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.