Home / 6,838.24-10,255.20-2,158.08

Finding the Fourth Proportional to 6,838.24, 10,255.20 and 2,158.08

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Solution

The fourth proportional to 6,838.24, 10,255.20 and 2,158.08 is: 3,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.24 : 10,255.20 = 2,158.08 : x
  2. Step 2: Convert to fraction form
    6,838.24/10,255.20 = 2,158.08/x
  3. Step 3: Cross multiply
    6,838.24x = 10,255.20 × 2,158.08
  4. Step 4: Simplify right side
    6,838.24x = 22,131,542.02
  5. Step 5: Solve for x
    x = 22,131,542.02/6,838.24
  6. Step 6: Final answer
    x = 3,236.44

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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.