Home / 7,912.23-11,855.16-5,568.05

Finding the Fourth Proportional to 7,912.23, 11,855.16 and 5,568.05

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Solution

The fourth proportional to 7,912.23, 11,855.16 and 5,568.05 is: 8,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.23 : 11,855.16 = 5,568.05 : x
  2. Step 2: Convert to fraction form
    7,912.23/11,855.16 = 5,568.05/x
  3. Step 3: Cross multiply
    7,912.23x = 11,855.16 × 5,568.05
  4. Step 4: Simplify right side
    7,912.23x = 66,010,064.36
  5. Step 5: Solve for x
    x = 66,010,064.36/7,912.23
  6. Step 6: Final answer
    x = 8,342.79

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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.