Home / 6,776.88-9,346.68-4,288.56

Finding the Fourth Proportional to 6,776.88, 9,346.68 and 4,288.56

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Solution

The fourth proportional to 6,776.88, 9,346.68 and 4,288.56 is: 5,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,776.88 : 9,346.68 = 4,288.56 : x
  2. Step 2: Convert to fraction form
    6,776.88/9,346.68 = 4,288.56/x
  3. Step 3: Cross multiply
    6,776.88x = 9,346.68 × 4,288.56
  4. Step 4: Simplify right side
    6,776.88x = 40,083,797.98
  5. Step 5: Solve for x
    x = 40,083,797.98/6,776.88
  6. Step 6: Final answer
    x = 5,914.79

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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.