Home / 11,134.24-16,691.42-4,213.60

Finding the Fourth Proportional to 11,134.24, 16,691.42 and 4,213.60

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Solution

The fourth proportional to 11,134.24, 16,691.42 and 4,213.60 is: 6,316.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.24 : 16,691.42 = 4,213.60 : x
  2. Step 2: Convert to fraction form
    11,134.24/16,691.42 = 4,213.60/x
  3. Step 3: Cross multiply
    11,134.24x = 16,691.42 × 4,213.60
  4. Step 4: Simplify right side
    11,134.24x = 70,330,967.31
  5. Step 5: Solve for x
    x = 70,330,967.31/11,134.24
  6. Step 6: Final answer
    x = 6,316.64

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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.