Home / 8,105.12-11,185.15-4,568.25

Finding the Fourth Proportional to 8,105.12, 11,185.15 and 4,568.25

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Solution

The fourth proportional to 8,105.12, 11,185.15 and 4,568.25 is: 6,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.12 : 11,185.15 = 4,568.25 : x
  2. Step 2: Convert to fraction form
    8,105.12/11,185.15 = 4,568.25/x
  3. Step 3: Cross multiply
    8,105.12x = 11,185.15 × 4,568.25
  4. Step 4: Simplify right side
    8,105.12x = 51,096,561.49
  5. Step 5: Solve for x
    x = 51,096,561.49/8,105.12
  6. Step 6: Final answer
    x = 6,304.23

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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.