Home / 6,163.68-8,505.60-3,369.12

Finding the Fourth Proportional to 6,163.68, 8,505.60 and 3,369.12

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Solution

The fourth proportional to 6,163.68, 8,505.60 and 3,369.12 is: 4,649.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.68 : 8,505.60 = 3,369.12 : x
  2. Step 2: Convert to fraction form
    6,163.68/8,505.60 = 3,369.12/x
  3. Step 3: Cross multiply
    6,163.68x = 8,505.60 × 3,369.12
  4. Step 4: Simplify right side
    6,163.68x = 28,656,387.07
  5. Step 5: Solve for x
    x = 28,656,387.07/6,163.68
  6. Step 6: Final answer
    x = 4,649.23

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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.