Home / 10,912.11-16,363.50-5,361.99

Finding the Fourth Proportional to 10,912.11, 16,363.50 and 5,361.99

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Solution

The fourth proportional to 10,912.11, 16,363.50 and 5,361.99 is: 8,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,912.11 : 16,363.50 = 5,361.99 : x
  2. Step 2: Convert to fraction form
    10,912.11/16,363.50 = 5,361.99/x
  3. Step 3: Cross multiply
    10,912.11x = 16,363.50 × 5,361.99
  4. Step 4: Simplify right side
    10,912.11x = 87,740,923.37
  5. Step 5: Solve for x
    x = 87,740,923.37/10,912.11
  6. Step 6: Final answer
    x = 8,040.69

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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.