Home / 11,783.12-17,670.49-3,883.73

Finding the Fourth Proportional to 11,783.12, 17,670.49 and 3,883.73

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Solution

The fourth proportional to 11,783.12, 17,670.49 and 3,883.73 is: 5,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.12 : 17,670.49 = 3,883.73 : x
  2. Step 2: Convert to fraction form
    11,783.12/17,670.49 = 3,883.73/x
  3. Step 3: Cross multiply
    11,783.12x = 17,670.49 × 3,883.73
  4. Step 4: Simplify right side
    11,783.12x = 68,627,314.07
  5. Step 5: Solve for x
    x = 68,627,314.07/11,783.12
  6. Step 6: Final answer
    x = 5,824.21

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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.