Home / 6,561.09-9,843.57-2,612.79

Finding the Fourth Proportional to 6,561.09, 9,843.57 and 2,612.79

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Solution

The fourth proportional to 6,561.09, 9,843.57 and 2,612.79 is: 3,919.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.09 : 9,843.57 = 2,612.79 : x
  2. Step 2: Convert to fraction form
    6,561.09/9,843.57 = 2,612.79/x
  3. Step 3: Cross multiply
    6,561.09x = 9,843.57 × 2,612.79
  4. Step 4: Simplify right side
    6,561.09x = 25,719,181.26
  5. Step 5: Solve for x
    x = 25,719,181.26/6,561.09
  6. Step 6: Final answer
    x = 3,919.96

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1.5x scale

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.