Home / 8,322.20-11,486.48-5,296.70

Finding the Fourth Proportional to 8,322.20, 11,486.48 and 5,296.70

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Solution

The fourth proportional to 8,322.20, 11,486.48 and 5,296.70 is: 7,310.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.20 : 11,486.48 = 5,296.70 : x
  2. Step 2: Convert to fraction form
    8,322.20/11,486.48 = 5,296.70/x
  3. Step 3: Cross multiply
    8,322.20x = 11,486.48 × 5,296.70
  4. Step 4: Simplify right side
    8,322.20x = 60,840,438.62
  5. Step 5: Solve for x
    x = 60,840,438.62/8,322.20
  6. Step 6: Final answer
    x = 7,310.62

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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.