Home / 9,179.70-12,668.44-5,200.56

Finding the Fourth Proportional to 9,179.70, 12,668.44 and 5,200.56

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Solution

The fourth proportional to 9,179.70, 12,668.44 and 5,200.56 is: 7,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179.70 : 12,668.44 = 5,200.56 : x
  2. Step 2: Convert to fraction form
    9,179.70/12,668.44 = 5,200.56/x
  3. Step 3: Cross multiply
    9,179.70x = 12,668.44 × 5,200.56
  4. Step 4: Simplify right side
    9,179.70x = 65,882,982.33
  5. Step 5: Solve for x
    x = 65,882,982.33/9,179.70
  6. Step 6: Final answer
    x = 7,177.03

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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.