Home / 11,947.64-17,922.57-4,550.06

Finding the Fourth Proportional to 11,947.64, 17,922.57 and 4,550.06

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Solution

The fourth proportional to 11,947.64, 17,922.57 and 4,550.06 is: 6,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,947.64 : 17,922.57 = 4,550.06 : x
  2. Step 2: Convert to fraction form
    11,947.64/17,922.57 = 4,550.06/x
  3. Step 3: Cross multiply
    11,947.64x = 17,922.57 × 4,550.06
  4. Step 4: Simplify right side
    11,947.64x = 81,548,768.85
  5. Step 5: Solve for x
    x = 81,548,768.85/11,947.64
  6. Step 6: Final answer
    x = 6,825.51

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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.