Home / 9,172.07-12,662.82-6,651.75

Finding the Fourth Proportional to 9,172.07, 12,662.82 and 6,651.75

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Solution

The fourth proportional to 9,172.07, 12,662.82 and 6,651.75 is: 9,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,172.07 : 12,662.82 = 6,651.75 : x
  2. Step 2: Convert to fraction form
    9,172.07/12,662.82 = 6,651.75/x
  3. Step 3: Cross multiply
    9,172.07x = 12,662.82 × 6,651.75
  4. Step 4: Simplify right side
    9,172.07x = 84,229,912.94
  5. Step 5: Solve for x
    x = 84,229,912.94/9,172.07
  6. Step 6: Final answer
    x = 9,183.31

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1.5x scale

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.