Home / 10,795.20-16,186.20-4,213.80

Finding the Fourth Proportional to 10,795.20, 16,186.20 and 4,213.80

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Solution

The fourth proportional to 10,795.20, 16,186.20 and 4,213.80 is: 6,318.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,795.20 : 16,186.20 = 4,213.80 : x
  2. Step 2: Convert to fraction form
    10,795.20/16,186.20 = 4,213.80/x
  3. Step 3: Cross multiply
    10,795.20x = 16,186.20 × 4,213.80
  4. Step 4: Simplify right side
    10,795.20x = 68,205,409.56
  5. Step 5: Solve for x
    x = 68,205,409.56/10,795.20
  6. Step 6: Final answer
    x = 6,318.12

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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.