Home / 6,819.39-10,179.34-5,989.03

Finding the Fourth Proportional to 6,819.39, 10,179.34 and 5,989.03

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Solution

The fourth proportional to 6,819.39, 10,179.34 and 5,989.03 is: 8,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.39 : 10,179.34 = 5,989.03 : x
  2. Step 2: Convert to fraction form
    6,819.39/10,179.34 = 5,989.03/x
  3. Step 3: Cross multiply
    6,819.39x = 10,179.34 × 5,989.03
  4. Step 4: Simplify right side
    6,819.39x = 60,964,332.22
  5. Step 5: Solve for x
    x = 60,964,332.22/6,819.39
  6. Step 6: Final answer
    x = 8,939.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.