Home / 11,964.56-17,955.12-6,975.20

Finding the Fourth Proportional to 11,964.56, 17,955.12 and 6,975.20

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Solution

The fourth proportional to 11,964.56, 17,955.12 and 6,975.20 is: 10,467.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,964.56 : 17,955.12 = 6,975.20 : x
  2. Step 2: Convert to fraction form
    11,964.56/17,955.12 = 6,975.20/x
  3. Step 3: Cross multiply
    11,964.56x = 17,955.12 × 6,975.20
  4. Step 4: Simplify right side
    11,964.56x = 125,240,553.02
  5. Step 5: Solve for x
    x = 125,240,553.02/11,964.56
  6. Step 6: Final answer
    x = 10,467.63

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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.