Home / 11,964.68-17,930.60-7,574.28

Finding the Fourth Proportional to 11,964.68, 17,930.60 and 7,574.28

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Solution

The fourth proportional to 11,964.68, 17,930.60 and 7,574.28 is: 11,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.68 : 17,930.60 = 7,574.28 : x
  2. Step 2: Convert to fraction form
    11,964.68/17,930.60 = 7,574.28/x
  3. Step 3: Cross multiply
    11,964.68x = 17,930.60 × 7,574.28
  4. Step 4: Simplify right side
    11,964.68x = 135,811,308.26
  5. Step 5: Solve for x
    x = 135,811,308.26/11,964.68
  6. Step 6: Final answer
    x = 11,351.02

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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.