Home / 10,709.97-16,072.22-3,784.47

Finding the Fourth Proportional to 10,709.97, 16,072.22 and 3,784.47

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Solution

The fourth proportional to 10,709.97, 16,072.22 and 3,784.47 is: 5,679.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,709.97 : 16,072.22 = 3,784.47 : x
  2. Step 2: Convert to fraction form
    10,709.97/16,072.22 = 3,784.47/x
  3. Step 3: Cross multiply
    10,709.97x = 16,072.22 × 3,784.47
  4. Step 4: Simplify right side
    10,709.97x = 60,824,735.14
  5. Step 5: Solve for x
    x = 60,824,735.14/10,709.97
  6. Step 6: Final answer
    x = 5,679.27

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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.