Home / 6,836.91-10,255.74-2,157.06

Finding the Fourth Proportional to 6,836.91, 10,255.74 and 2,157.06

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Solution

The fourth proportional to 6,836.91, 10,255.74 and 2,157.06 is: 3,235.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,836.91 : 10,255.74 = 2,157.06 : x
  2. Step 2: Convert to fraction form
    6,836.91/10,255.74 = 2,157.06/x
  3. Step 3: Cross multiply
    6,836.91x = 10,255.74 × 2,157.06
  4. Step 4: Simplify right side
    6,836.91x = 22,122,246.52
  5. Step 5: Solve for x
    x = 22,122,246.52/6,836.91
  6. Step 6: Final answer
    x = 3,235.71

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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.