Home / 10,321.46-15,481.58-3,395.96

Finding the Fourth Proportional to 10,321.46, 15,481.58 and 3,395.96

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Solution

The fourth proportional to 10,321.46, 15,481.58 and 3,395.96 is: 5,093.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,321.46 : 15,481.58 = 3,395.96 : x
  2. Step 2: Convert to fraction form
    10,321.46/15,481.58 = 3,395.96/x
  3. Step 3: Cross multiply
    10,321.46x = 15,481.58 × 3,395.96
  4. Step 4: Simplify right side
    10,321.46x = 52,574,826.42
  5. Step 5: Solve for x
    x = 52,574,826.42/10,321.46
  6. Step 6: Final answer
    x = 5,093.74

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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.