Home / 11,918.41-17,874.20-4,802.63

Finding the Fourth Proportional to 11,918.41, 17,874.20 and 4,802.63

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Solution

The fourth proportional to 11,918.41, 17,874.20 and 4,802.63 is: 7,202.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.41 : 17,874.20 = 4,802.63 : x
  2. Step 2: Convert to fraction form
    11,918.41/17,874.20 = 4,802.63/x
  3. Step 3: Cross multiply
    11,918.41x = 17,874.20 × 4,802.63
  4. Step 4: Simplify right side
    11,918.41x = 85,843,091.78
  5. Step 5: Solve for x
    x = 85,843,091.78/11,918.41
  6. Step 6: Final answer
    x = 7,202.56

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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.