Home / 12,668.16-18,984.24-5,997.54

Finding the Fourth Proportional to 12,668.16, 18,984.24 and 5,997.54

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Solution

The fourth proportional to 12,668.16, 18,984.24 and 5,997.54 is: 8,987.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668.16 : 18,984.24 = 5,997.54 : x
  2. Step 2: Convert to fraction form
    12,668.16/18,984.24 = 5,997.54/x
  3. Step 3: Cross multiply
    12,668.16x = 18,984.24 × 5,997.54
  4. Step 4: Simplify right side
    12,668.16x = 113,858,738.77
  5. Step 5: Solve for x
    x = 113,858,738.77/12,668.16
  6. Step 6: Final answer
    x = 8,987.79

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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.