Home / 8,326.69-12,488.43-3,883.13

Finding the Fourth Proportional to 8,326.69, 12,488.43 and 3,883.13

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Solution

The fourth proportional to 8,326.69, 12,488.43 and 3,883.13 is: 5,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,326.69 : 12,488.43 = 3,883.13 : x
  2. Step 2: Convert to fraction form
    8,326.69/12,488.43 = 3,883.13/x
  3. Step 3: Cross multiply
    8,326.69x = 12,488.43 × 3,883.13
  4. Step 4: Simplify right side
    8,326.69x = 48,494,177.77
  5. Step 5: Solve for x
    x = 48,494,177.77/8,326.69
  6. Step 6: Final answer
    x = 5,823.95

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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.