Home / 11,984.03-17,969.55-5,402.51

Finding the Fourth Proportional to 11,984.03, 17,969.55 and 5,402.51

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Solution

The fourth proportional to 11,984.03, 17,969.55 and 5,402.51 is: 8,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,984.03 : 17,969.55 = 5,402.51 : x
  2. Step 2: Convert to fraction form
    11,984.03/17,969.55 = 5,402.51/x
  3. Step 3: Cross multiply
    11,984.03x = 17,969.55 × 5,402.51
  4. Step 4: Simplify right side
    11,984.03x = 97,080,583.72
  5. Step 5: Solve for x
    x = 97,080,583.72/11,984.03
  6. Step 6: Final answer
    x = 8,100.83

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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.