Home / 8,867.38-13,299.82-2,628.05

Finding the Fourth Proportional to 8,867.38, 13,299.82 and 2,628.05

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Solution

The fourth proportional to 8,867.38, 13,299.82 and 2,628.05 is: 3,941.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.38 : 13,299.82 = 2,628.05 : x
  2. Step 2: Convert to fraction form
    8,867.38/13,299.82 = 2,628.05/x
  3. Step 3: Cross multiply
    8,867.38x = 13,299.82 × 2,628.05
  4. Step 4: Simplify right side
    8,867.38x = 34,952,618.63
  5. Step 5: Solve for x
    x = 34,952,618.63/8,867.38
  6. Step 6: Final answer
    x = 3,941.71

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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.