Home / 9,147.36-13,731.97-5,451.33

Finding the Fourth Proportional to 9,147.36, 13,731.97 and 5,451.33

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Solution

The fourth proportional to 9,147.36, 13,731.97 and 5,451.33 is: 8,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,147.36 : 13,731.97 = 5,451.33 : x
  2. Step 2: Convert to fraction form
    9,147.36/13,731.97 = 5,451.33/x
  3. Step 3: Cross multiply
    9,147.36x = 13,731.97 × 5,451.33
  4. Step 4: Simplify right side
    9,147.36x = 74,857,486.39
  5. Step 5: Solve for x
    x = 74,857,486.39/9,147.36
  6. Step 6: Final answer
    x = 8,183.51

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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.