Home / 6,789.54-10,176.11-3,086.70

Finding the Fourth Proportional to 6,789.54, 10,176.11 and 3,086.70

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Solution

The fourth proportional to 6,789.54, 10,176.11 and 3,086.70 is: 4,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.54 : 10,176.11 = 3,086.70 : x
  2. Step 2: Convert to fraction form
    6,789.54/10,176.11 = 3,086.70/x
  3. Step 3: Cross multiply
    6,789.54x = 10,176.11 × 3,086.70
  4. Step 4: Simplify right side
    6,789.54x = 31,410,598.74
  5. Step 5: Solve for x
    x = 31,410,598.74/6,789.54
  6. Step 6: Final answer
    x = 4,626.32

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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.