Home / 6,736.20-10,104.30-2,118.60

Finding the Fourth Proportional to 6,736.20, 10,104.30 and 2,118.60

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Solution

The fourth proportional to 6,736.20, 10,104.30 and 2,118.60 is: 3,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,736.20 : 10,104.30 = 2,118.60 : x
  2. Step 2: Convert to fraction form
    6,736.20/10,104.30 = 2,118.60/x
  3. Step 3: Cross multiply
    6,736.20x = 10,104.30 × 2,118.60
  4. Step 4: Simplify right side
    6,736.20x = 21,406,969.98
  5. Step 5: Solve for x
    x = 21,406,969.98/6,736.20
  6. Step 6: Final answer
    x = 3,177.90

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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.