Home / 17,287.20-25,930.80-5,608.56

Finding the Fourth Proportional to 17,287.20, 25,930.80 and 5,608.56

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Solution

The fourth proportional to 17,287.20, 25,930.80 and 5,608.56 is: 8,412.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,287.20 : 25,930.80 = 5,608.56 : x
  2. Step 2: Convert to fraction form
    17,287.20/25,930.80 = 5,608.56/x
  3. Step 3: Cross multiply
    17,287.20x = 25,930.80 × 5,608.56
  4. Step 4: Simplify right side
    17,287.20x = 145,434,447.65
  5. Step 5: Solve for x
    x = 145,434,447.65/17,287.20
  6. Step 6: Final answer
    x = 8,412.84

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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.