Home / 9,335.38-12,882.79-5,086.68

Finding the Fourth Proportional to 9,335.38, 12,882.79 and 5,086.68

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Solution

The fourth proportional to 9,335.38, 12,882.79 and 5,086.68 is: 7,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.38 : 12,882.79 = 5,086.68 : x
  2. Step 2: Convert to fraction form
    9,335.38/12,882.79 = 5,086.68/x
  3. Step 3: Cross multiply
    9,335.38x = 12,882.79 × 5,086.68
  4. Step 4: Simplify right side
    9,335.38x = 65,530,630.24
  5. Step 5: Solve for x
    x = 65,530,630.24/9,335.38
  6. Step 6: Final answer
    x = 7,019.60

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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.