Home / 6,731.28-9,268.56-6,711.84

Finding the Fourth Proportional to 6,731.28, 9,268.56 and 6,711.84

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Solution

The fourth proportional to 6,731.28, 9,268.56 and 6,711.84 is: 9,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.28 : 9,268.56 = 6,711.84 : x
  2. Step 2: Convert to fraction form
    6,731.28/9,268.56 = 6,711.84/x
  3. Step 3: Cross multiply
    6,731.28x = 9,268.56 × 6,711.84
  4. Step 4: Simplify right side
    6,731.28x = 62,209,091.75
  5. Step 5: Solve for x
    x = 62,209,091.75/6,731.28
  6. Step 6: Final answer
    x = 9,241.79

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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.