Home / 6,858.82-10,287.96-4,772.68

Finding the Fourth Proportional to 6,858.82, 10,287.96 and 4,772.68

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Solution

The fourth proportional to 6,858.82, 10,287.96 and 4,772.68 is: 7,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858.82 : 10,287.96 = 4,772.68 : x
  2. Step 2: Convert to fraction form
    6,858.82/10,287.96 = 4,772.68/x
  3. Step 3: Cross multiply
    6,858.82x = 10,287.96 × 4,772.68
  4. Step 4: Simplify right side
    6,858.82x = 49,101,140.93
  5. Step 5: Solve for x
    x = 49,101,140.93/6,858.82
  6. Step 6: Final answer
    x = 7,158.83

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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.