Home / 6,114.21-9,172.39-3,515.73

Finding the Fourth Proportional to 6,114.21, 9,172.39 and 3,515.73

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Solution

The fourth proportional to 6,114.21, 9,172.39 and 3,515.73 is: 5,274.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.21 : 9,172.39 = 3,515.73 : x
  2. Step 2: Convert to fraction form
    6,114.21/9,172.39 = 3,515.73/x
  3. Step 3: Cross multiply
    6,114.21x = 9,172.39 × 3,515.73
  4. Step 4: Simplify right side
    6,114.21x = 32,247,646.69
  5. Step 5: Solve for x
    x = 32,247,646.69/6,114.21
  6. Step 6: Final answer
    x = 5,274.21

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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.