Home / 8,196.32-12,294.44-3,811.36

Finding the Fourth Proportional to 8,196.32, 12,294.44 and 3,811.36

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Solution

The fourth proportional to 8,196.32, 12,294.44 and 3,811.36 is: 5,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,196.32 : 12,294.44 = 3,811.36 : x
  2. Step 2: Convert to fraction form
    8,196.32/12,294.44 = 3,811.36/x
  3. Step 3: Cross multiply
    8,196.32x = 12,294.44 × 3,811.36
  4. Step 4: Simplify right side
    8,196.32x = 46,858,536.84
  5. Step 5: Solve for x
    x = 46,858,536.84/8,196.32
  6. Step 6: Final answer
    x = 5,717.02

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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.