Home / 7,936.97-10,928.03-6,739.58

Finding the Fourth Proportional to 7,936.97, 10,928.03 and 6,739.58

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Solution

The fourth proportional to 7,936.97, 10,928.03 and 6,739.58 is: 9,279.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.97 : 10,928.03 = 6,739.58 : x
  2. Step 2: Convert to fraction form
    7,936.97/10,928.03 = 6,739.58/x
  3. Step 3: Cross multiply
    7,936.97x = 10,928.03 × 6,739.58
  4. Step 4: Simplify right side
    7,936.97x = 73,650,376.60
  5. Step 5: Solve for x
    x = 73,650,376.60/7,936.97
  6. Step 6: Final answer
    x = 9,279.41

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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.