Home / 10,942.20-16,415.91-3,546.68

Finding the Fourth Proportional to 10,942.20, 16,415.91 and 3,546.68

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Solution

The fourth proportional to 10,942.20, 16,415.91 and 3,546.68 is: 5,320.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,942.20 : 16,415.91 = 3,546.68 : x
  2. Step 2: Convert to fraction form
    10,942.20/16,415.91 = 3,546.68/x
  3. Step 3: Cross multiply
    10,942.20x = 16,415.91 × 3,546.68
  4. Step 4: Simplify right side
    10,942.20x = 58,221,897.60
  5. Step 5: Solve for x
    x = 58,221,897.60/10,942.20
  6. Step 6: Final answer
    x = 5,320.86

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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.