Home / 6,856.62-9,462.16-3,712.84

Finding the Fourth Proportional to 6,856.62, 9,462.16 and 3,712.84

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Solution

The fourth proportional to 6,856.62, 9,462.16 and 3,712.84 is: 5,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.62 : 9,462.16 = 3,712.84 : x
  2. Step 2: Convert to fraction form
    6,856.62/9,462.16 = 3,712.84/x
  3. Step 3: Cross multiply
    6,856.62x = 9,462.16 × 3,712.84
  4. Step 4: Simplify right side
    6,856.62x = 35,131,486.13
  5. Step 5: Solve for x
    x = 35,131,486.13/6,856.62
  6. Step 6: Final answer
    x = 5,123.73

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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.