Home / 11,964.03-17,939.30-5,725.55

Finding the Fourth Proportional to 11,964.03, 17,939.30 and 5,725.55

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Solution

The fourth proportional to 11,964.03, 17,939.30 and 5,725.55 is: 8,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.03 : 17,939.30 = 5,725.55 : x
  2. Step 2: Convert to fraction form
    11,964.03/17,939.30 = 5,725.55/x
  3. Step 3: Cross multiply
    11,964.03x = 17,939.30 × 5,725.55
  4. Step 4: Simplify right side
    11,964.03x = 102,712,240.79
  5. Step 5: Solve for x
    x = 102,712,240.79/11,964.03
  6. Step 6: Final answer
    x = 8,585.09

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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.