Home / 11,399.52-17,087.42-4,739.64

Finding the Fourth Proportional to 11,399.52, 17,087.42 and 4,739.64

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Solution

The fourth proportional to 11,399.52, 17,087.42 and 4,739.64 is: 7,104.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,399.52 : 17,087.42 = 4,739.64 : x
  2. Step 2: Convert to fraction form
    11,399.52/17,087.42 = 4,739.64/x
  3. Step 3: Cross multiply
    11,399.52x = 17,087.42 × 4,739.64
  4. Step 4: Simplify right side
    11,399.52x = 80,988,219.33
  5. Step 5: Solve for x
    x = 80,988,219.33/11,399.52
  6. Step 6: Final answer
    x = 7,104.53

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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.