Home / 6,646.89-9,172.38-3,662.24

Finding the Fourth Proportional to 6,646.89, 9,172.38 and 3,662.24

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Solution

The fourth proportional to 6,646.89, 9,172.38 and 3,662.24 is: 5,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.89 : 9,172.38 = 3,662.24 : x
  2. Step 2: Convert to fraction form
    6,646.89/9,172.38 = 3,662.24/x
  3. Step 3: Cross multiply
    6,646.89x = 9,172.38 × 3,662.24
  4. Step 4: Simplify right side
    6,646.89x = 33,591,438.62
  5. Step 5: Solve for x
    x = 33,591,438.62/6,646.89
  6. Step 6: Final answer
    x = 5,053.71

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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.