Home / 11,991.12-17,982.36-5,066.16

Finding the Fourth Proportional to 11,991.12, 17,982.36 and 5,066.16

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Solution

The fourth proportional to 11,991.12, 17,982.36 and 5,066.16 is: 7,597.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,991.12 : 17,982.36 = 5,066.16 : x
  2. Step 2: Convert to fraction form
    11,991.12/17,982.36 = 5,066.16/x
  3. Step 3: Cross multiply
    11,991.12x = 17,982.36 × 5,066.16
  4. Step 4: Simplify right side
    11,991.12x = 91,101,512.94
  5. Step 5: Solve for x
    x = 91,101,512.94/11,991.12
  6. Step 6: Final answer
    x = 7,597.41

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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.