Home / 11,874.02-17,807.45-3,974.51

Finding the Fourth Proportional to 11,874.02, 17,807.45 and 3,974.51

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Solution

The fourth proportional to 11,874.02, 17,807.45 and 3,974.51 is: 5,960.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,874.02 : 17,807.45 = 3,974.51 : x
  2. Step 2: Convert to fraction form
    11,874.02/17,807.45 = 3,974.51/x
  3. Step 3: Cross multiply
    11,874.02x = 17,807.45 × 3,974.51
  4. Step 4: Simplify right side
    11,874.02x = 70,775,912.75
  5. Step 5: Solve for x
    x = 70,775,912.75/11,874.02
  6. Step 6: Final answer
    x = 5,960.57

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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.