Home / 12,608.24-18,912.36-3,374

Finding the Fourth Proportional to 12,608.24, 18,912.36 and 3,374

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Solution

The fourth proportional to 12,608.24, 18,912.36 and 3,374 is: 5,061

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608.24 : 18,912.36 = 3,374 : x
  2. Step 2: Convert to fraction form
    12,608.24/18,912.36 = 3,374/x
  3. Step 3: Cross multiply
    12,608.24x = 18,912.36 × 3,374
  4. Step 4: Simplify right side
    12,608.24x = 63,810,302.64
  5. Step 5: Solve for x
    x = 63,810,302.64/12,608.24
  6. Step 6: Final answer
    x = 5,061

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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.