Home / 6,647.23-9,166.20-4,966

Finding the Fourth Proportional to 6,647.23, 9,166.20 and 4,966

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Solution

The fourth proportional to 6,647.23, 9,166.20 and 4,966 is: 6,847.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.23 : 9,166.20 = 4,966 : x
  2. Step 2: Convert to fraction form
    6,647.23/9,166.20 = 4,966/x
  3. Step 3: Cross multiply
    6,647.23x = 9,166.20 × 4,966
  4. Step 4: Simplify right side
    6,647.23x = 45,519,349.20
  5. Step 5: Solve for x
    x = 45,519,349.20/6,647.23
  6. Step 6: Final answer
    x = 6,847.87

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Why These Related Problems?

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