Home / 11,661.87-16,093.59-6,356.91

Finding the Fourth Proportional to 11,661.87, 16,093.59 and 6,356.91

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Solution

The fourth proportional to 11,661.87, 16,093.59 and 6,356.91 is: 8,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.87 : 16,093.59 = 6,356.91 : x
  2. Step 2: Convert to fraction form
    11,661.87/16,093.59 = 6,356.91/x
  3. Step 3: Cross multiply
    11,661.87x = 16,093.59 × 6,356.91
  4. Step 4: Simplify right side
    11,661.87x = 102,305,503.21
  5. Step 5: Solve for x
    x = 102,305,503.21/11,661.87
  6. Step 6: Final answer
    x = 8,772.65

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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.