Home / 8,473.41-12,711.74-2,628.65

Finding the Fourth Proportional to 8,473.41, 12,711.74 and 2,628.65

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Solution

The fourth proportional to 8,473.41, 12,711.74 and 2,628.65 is: 3,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.41 : 12,711.74 = 2,628.65 : x
  2. Step 2: Convert to fraction form
    8,473.41/12,711.74 = 2,628.65/x
  3. Step 3: Cross multiply
    8,473.41x = 12,711.74 × 2,628.65
  4. Step 4: Simplify right side
    8,473.41x = 33,414,733.99
  5. Step 5: Solve for x
    x = 33,414,733.99/8,473.41
  6. Step 6: Final answer
    x = 3,943.48

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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.