Home / 7,742.07-11,600.80-5,991.33

Finding the Fourth Proportional to 7,742.07, 11,600.80 and 5,991.33

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Solution

The fourth proportional to 7,742.07, 11,600.80 and 5,991.33 is: 8,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,742.07 : 11,600.80 = 5,991.33 : x
  2. Step 2: Convert to fraction form
    7,742.07/11,600.80 = 5,991.33/x
  3. Step 3: Cross multiply
    7,742.07x = 11,600.80 × 5,991.33
  4. Step 4: Simplify right side
    7,742.07x = 69,504,221.06
  5. Step 5: Solve for x
    x = 69,504,221.06/7,742.07
  6. Step 6: Final answer
    x = 8,977.47

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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.