Home / 10,954.20-16,424.70-4,196.76

Finding the Fourth Proportional to 10,954.20, 16,424.70 and 4,196.76

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Solution

The fourth proportional to 10,954.20, 16,424.70 and 4,196.76 is: 6,292.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,954.20 : 16,424.70 = 4,196.76 : x
  2. Step 2: Convert to fraction form
    10,954.20/16,424.70 = 4,196.76/x
  3. Step 3: Cross multiply
    10,954.20x = 16,424.70 × 4,196.76
  4. Step 4: Simplify right side
    10,954.20x = 68,930,523.97
  5. Step 5: Solve for x
    x = 68,930,523.97/10,954.20
  6. Step 6: Final answer
    x = 6,292.61

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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.