Home / 7,846.12-11,772.38-4,147.36

Finding the Fourth Proportional to 7,846.12, 11,772.38 and 4,147.36

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Solution

The fourth proportional to 7,846.12, 11,772.38 and 4,147.36 is: 6,222.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.12 : 11,772.38 = 4,147.36 : x
  2. Step 2: Convert to fraction form
    7,846.12/11,772.38 = 4,147.36/x
  3. Step 3: Cross multiply
    7,846.12x = 11,772.38 × 4,147.36
  4. Step 4: Simplify right side
    7,846.12x = 48,824,297.92
  5. Step 5: Solve for x
    x = 48,824,297.92/7,846.12
  6. Step 6: Final answer
    x = 6,222.73

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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.