Home / 11,661.37-16,098.18-6,879.84

Finding the Fourth Proportional to 11,661.37, 16,098.18 and 6,879.84

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Solution

The fourth proportional to 11,661.37, 16,098.18 and 6,879.84 is: 9,497.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,661.37 : 16,098.18 = 6,879.84 : x
  2. Step 2: Convert to fraction form
    11,661.37/16,098.18 = 6,879.84/x
  3. Step 3: Cross multiply
    11,661.37x = 16,098.18 × 6,879.84
  4. Step 4: Simplify right side
    11,661.37x = 110,752,816.52
  5. Step 5: Solve for x
    x = 110,752,816.52/11,661.37
  6. Step 6: Final answer
    x = 9,497.41

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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.