Home / 10,361.70-15,544.26-4,121.75

Finding the Fourth Proportional to 10,361.70, 15,544.26 and 4,121.75

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Solution

The fourth proportional to 10,361.70, 15,544.26 and 4,121.75 is: 6,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361.70 : 15,544.26 = 4,121.75 : x
  2. Step 2: Convert to fraction form
    10,361.70/15,544.26 = 4,121.75/x
  3. Step 3: Cross multiply
    10,361.70x = 15,544.26 × 4,121.75
  4. Step 4: Simplify right side
    10,361.70x = 64,069,553.66
  5. Step 5: Solve for x
    x = 64,069,553.66/10,361.70
  6. Step 6: Final answer
    x = 6,183.31

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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.