Home / 10,809.80-16,217.30-4,234.24

Finding the Fourth Proportional to 10,809.80, 16,217.30 and 4,234.24

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Solution

The fourth proportional to 10,809.80, 16,217.30 and 4,234.24 is: 6,352.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.80 : 16,217.30 = 4,234.24 : x
  2. Step 2: Convert to fraction form
    10,809.80/16,217.30 = 4,234.24/x
  3. Step 3: Cross multiply
    10,809.80x = 16,217.30 × 4,234.24
  4. Step 4: Simplify right side
    10,809.80x = 68,667,940.35
  5. Step 5: Solve for x
    x = 68,667,940.35/10,809.80
  6. Step 6: Final answer
    x = 6,352.38

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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.