Home / 6,646.82-9,172.19-3,662.48

Finding the Fourth Proportional to 6,646.82, 9,172.19 and 3,662.48

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Solution

The fourth proportional to 6,646.82, 9,172.19 and 3,662.48 is: 5,054.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.82 : 9,172.19 = 3,662.48 : x
  2. Step 2: Convert to fraction form
    6,646.82/9,172.19 = 3,662.48/x
  3. Step 3: Cross multiply
    6,646.82x = 9,172.19 × 3,662.48
  4. Step 4: Simplify right side
    6,646.82x = 33,592,994.52
  5. Step 5: Solve for x
    x = 33,592,994.52/6,646.82
  6. Step 6: Final answer
    x = 5,054.00

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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.