Home / 8,519.13-11,755.58-6,282.21

Finding the Fourth Proportional to 8,519.13, 11,755.58 and 6,282.21

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Solution

The fourth proportional to 8,519.13, 11,755.58 and 6,282.21 is: 8,668.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.13 : 11,755.58 = 6,282.21 : x
  2. Step 2: Convert to fraction form
    8,519.13/11,755.58 = 6,282.21/x
  3. Step 3: Cross multiply
    8,519.13x = 11,755.58 × 6,282.21
  4. Step 4: Simplify right side
    8,519.13x = 73,850,990.82
  5. Step 5: Solve for x
    x = 73,850,990.82/8,519.13
  6. Step 6: Final answer
    x = 8,668.84

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