Home / 11,982.28-17,962.08-4,186.04

Finding the Fourth Proportional to 11,982.28, 17,962.08 and 4,186.04

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Solution

The fourth proportional to 11,982.28, 17,962.08 and 4,186.04 is: 6,275.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,982.28 : 17,962.08 = 4,186.04 : x
  2. Step 2: Convert to fraction form
    11,982.28/17,962.08 = 4,186.04/x
  3. Step 3: Cross multiply
    11,982.28x = 17,962.08 × 4,186.04
  4. Step 4: Simplify right side
    11,982.28x = 75,189,985.36
  5. Step 5: Solve for x
    x = 75,189,985.36/11,982.28
  6. Step 6: Final answer
    x = 6,275.10

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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.