Home / 6,168.44-8,513.96-5,172.14

Finding the Fourth Proportional to 6,168.44, 8,513.96 and 5,172.14

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Solution

The fourth proportional to 6,168.44, 8,513.96 and 5,172.14 is: 7,138.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.44 : 8,513.96 = 5,172.14 : x
  2. Step 2: Convert to fraction form
    6,168.44/8,513.96 = 5,172.14/x
  3. Step 3: Cross multiply
    6,168.44x = 8,513.96 × 5,172.14
  4. Step 4: Simplify right side
    6,168.44x = 44,035,324.64
  5. Step 5: Solve for x
    x = 44,035,324.64/6,168.44
  6. Step 6: Final answer
    x = 7,138.82

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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.