Home / 11,296.60-16,939.13-6,618.11

Finding the Fourth Proportional to 11,296.60, 16,939.13 and 6,618.11

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Solution

The fourth proportional to 11,296.60, 16,939.13 and 6,618.11 is: 9,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296.60 : 16,939.13 = 6,618.11 : x
  2. Step 2: Convert to fraction form
    11,296.60/16,939.13 = 6,618.11/x
  3. Step 3: Cross multiply
    11,296.60x = 16,939.13 × 6,618.11
  4. Step 4: Simplify right side
    11,296.60x = 112,104,907.86
  5. Step 5: Solve for x
    x = 112,104,907.86/11,296.60
  6. Step 6: Final answer
    x = 9,923.78

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1.5x scale

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.