Home / 5,516.88-8,286.12-4,736.64

Finding the Fourth Proportional to 5,516.88, 8,286.12 and 4,736.64

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Solution

The fourth proportional to 5,516.88, 8,286.12 and 4,736.64 is: 7,114.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.88 : 8,286.12 = 4,736.64 : x
  2. Step 2: Convert to fraction form
    5,516.88/8,286.12 = 4,736.64/x
  3. Step 3: Cross multiply
    5,516.88x = 8,286.12 × 4,736.64
  4. Step 4: Simplify right side
    5,516.88x = 39,248,367.44
  5. Step 5: Solve for x
    x = 39,248,367.44/5,516.88
  6. Step 6: Final answer
    x = 7,114.23

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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.