Home / 10,546.20-15,814.36-3,880.99

Finding the Fourth Proportional to 10,546.20, 15,814.36 and 3,880.99

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Solution

The fourth proportional to 10,546.20, 15,814.36 and 3,880.99 is: 5,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,546.20 : 15,814.36 = 3,880.99 : x
  2. Step 2: Convert to fraction form
    10,546.20/15,814.36 = 3,880.99/x
  3. Step 3: Cross multiply
    10,546.20x = 15,814.36 × 3,880.99
  4. Step 4: Simplify right side
    10,546.20x = 61,375,464.15
  5. Step 5: Solve for x
    x = 61,375,464.15/10,546.20
  6. Step 6: Final answer
    x = 5,819.68

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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.