Home / 6,351.92-9,528.09-2,191.88

Finding the Fourth Proportional to 6,351.92, 9,528.09 and 2,191.88

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Solution

The fourth proportional to 6,351.92, 9,528.09 and 2,191.88 is: 3,287.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351.92 : 9,528.09 = 2,191.88 : x
  2. Step 2: Convert to fraction form
    6,351.92/9,528.09 = 2,191.88/x
  3. Step 3: Cross multiply
    6,351.92x = 9,528.09 × 2,191.88
  4. Step 4: Simplify right side
    6,351.92x = 20,884,429.91
  5. Step 5: Solve for x
    x = 20,884,429.91/6,351.92
  6. Step 6: Final answer
    x = 3,287.89

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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.