Home / 10,809.13-16,217.93-4,234.18

Finding the Fourth Proportional to 10,809.13, 16,217.93 and 4,234.18

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Solution

The fourth proportional to 10,809.13, 16,217.93 and 4,234.18 is: 6,352.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,809.13 : 16,217.93 = 4,234.18 : x
  2. Step 2: Convert to fraction form
    10,809.13/16,217.93 = 4,234.18/x
  3. Step 3: Cross multiply
    10,809.13x = 16,217.93 × 4,234.18
  4. Step 4: Simplify right side
    10,809.13x = 68,669,634.85
  5. Step 5: Solve for x
    x = 68,669,634.85/10,809.13
  6. Step 6: Final answer
    x = 6,352.93

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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.