Home / 11,882.69-16,399.86-6,845.95

Finding the Fourth Proportional to 11,882.69, 16,399.86 and 6,845.95

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Solution

The fourth proportional to 11,882.69, 16,399.86 and 6,845.95 is: 9,448.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,882.69 : 16,399.86 = 6,845.95 : x
  2. Step 2: Convert to fraction form
    11,882.69/16,399.86 = 6,845.95/x
  3. Step 3: Cross multiply
    11,882.69x = 16,399.86 × 6,845.95
  4. Step 4: Simplify right side
    11,882.69x = 112,272,539.57
  5. Step 5: Solve for x
    x = 112,272,539.57/11,882.69
  6. Step 6: Final answer
    x = 9,448.42

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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.