Home / 11,944.97-16,483.59-6,640.13

Finding the Fourth Proportional to 11,944.97, 16,483.59 and 6,640.13

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Solution

The fourth proportional to 11,944.97, 16,483.59 and 6,640.13 is: 9,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,944.97 : 16,483.59 = 6,640.13 : x
  2. Step 2: Convert to fraction form
    11,944.97/16,483.59 = 6,640.13/x
  3. Step 3: Cross multiply
    11,944.97x = 16,483.59 × 6,640.13
  4. Step 4: Simplify right side
    11,944.97x = 109,453,098.05
  5. Step 5: Solve for x
    x = 109,453,098.05/11,944.97
  6. Step 6: Final answer
    x = 9,163.12

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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.