Home / 8,296.80-11,444.76-5,311.56

Finding the Fourth Proportional to 8,296.80, 11,444.76 and 5,311.56

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Solution

The fourth proportional to 8,296.80, 11,444.76 and 5,311.56 is: 7,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296.80 : 11,444.76 = 5,311.56 : x
  2. Step 2: Convert to fraction form
    8,296.80/11,444.76 = 5,311.56/x
  3. Step 3: Cross multiply
    8,296.80x = 11,444.76 × 5,311.56
  4. Step 4: Simplify right side
    8,296.80x = 60,789,529.43
  5. Step 5: Solve for x
    x = 60,789,529.43/8,296.80
  6. Step 6: Final answer
    x = 7,326.86

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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.