Home / 10,382.82-15,570.87-3,361.33

Finding the Fourth Proportional to 10,382.82, 15,570.87 and 3,361.33

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Solution

The fourth proportional to 10,382.82, 15,570.87 and 3,361.33 is: 5,040.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382.82 : 15,570.87 = 3,361.33 : x
  2. Step 2: Convert to fraction form
    10,382.82/15,570.87 = 3,361.33/x
  3. Step 3: Cross multiply
    10,382.82x = 15,570.87 × 3,361.33
  4. Step 4: Simplify right side
    10,382.82x = 52,338,832.46
  5. Step 5: Solve for x
    x = 52,338,832.46/10,382.82
  6. Step 6: Final answer
    x = 5,040.91

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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.