Home / 6,439.97-9,654.46-6,133.79

Finding the Fourth Proportional to 6,439.97, 9,654.46 and 6,133.79

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Solution

The fourth proportional to 6,439.97, 9,654.46 and 6,133.79 is: 9,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.97 : 9,654.46 = 6,133.79 : x
  2. Step 2: Convert to fraction form
    6,439.97/9,654.46 = 6,133.79/x
  3. Step 3: Cross multiply
    6,439.97x = 9,654.46 × 6,133.79
  4. Step 4: Simplify right side
    6,439.97x = 59,218,430.20
  5. Step 5: Solve for x
    x = 59,218,430.20/6,439.97
  6. Step 6: Final answer
    x = 9,195.45

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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.