Home / 12,240.53-18,361.49-3,474.75

Finding the Fourth Proportional to 12,240.53, 18,361.49 and 3,474.75

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Solution

The fourth proportional to 12,240.53, 18,361.49 and 3,474.75 is: 5,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.53 : 18,361.49 = 3,474.75 : x
  2. Step 2: Convert to fraction form
    12,240.53/18,361.49 = 3,474.75/x
  3. Step 3: Cross multiply
    12,240.53x = 18,361.49 × 3,474.75
  4. Step 4: Simplify right side
    12,240.53x = 63,801,570.00
  5. Step 5: Solve for x
    x = 63,801,570.00/12,240.53
  6. Step 6: Final answer
    x = 5,212.32

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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.