Home / 10,319.58-15,481.44-3,299.37

Finding the Fourth Proportional to 10,319.58, 15,481.44 and 3,299.37

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Solution

The fourth proportional to 10,319.58, 15,481.44 and 3,299.37 is: 4,949.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.58 : 15,481.44 = 3,299.37 : x
  2. Step 2: Convert to fraction form
    10,319.58/15,481.44 = 3,299.37/x
  3. Step 3: Cross multiply
    10,319.58x = 15,481.44 × 3,299.37
  4. Step 4: Simplify right side
    10,319.58x = 51,079,056.75
  5. Step 5: Solve for x
    x = 51,079,056.75/10,319.58
  6. Step 6: Final answer
    x = 4,949.72

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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.