Home / 10,992.26-15,168.41-6,212.64

Finding the Fourth Proportional to 10,992.26, 15,168.41 and 6,212.64

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Solution

The fourth proportional to 10,992.26, 15,168.41 and 6,212.64 is: 8,572.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.26 : 15,168.41 = 6,212.64 : x
  2. Step 2: Convert to fraction form
    10,992.26/15,168.41 = 6,212.64/x
  3. Step 3: Cross multiply
    10,992.26x = 15,168.41 × 6,212.64
  4. Step 4: Simplify right side
    10,992.26x = 94,235,839.64
  5. Step 5: Solve for x
    x = 94,235,839.64/10,992.26
  6. Step 6: Final answer
    x = 8,572.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.