Home / 11,749.97-17,623.34-4,252.71

Finding the Fourth Proportional to 11,749.97, 17,623.34 and 4,252.71

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Solution

The fourth proportional to 11,749.97, 17,623.34 and 4,252.71 is: 6,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,749.97 : 17,623.34 = 4,252.71 : x
  2. Step 2: Convert to fraction form
    11,749.97/17,623.34 = 4,252.71/x
  3. Step 3: Cross multiply
    11,749.97x = 17,623.34 × 4,252.71
  4. Step 4: Simplify right side
    11,749.97x = 74,947,015.02
  5. Step 5: Solve for x
    x = 74,947,015.02/11,749.97
  6. Step 6: Final answer
    x = 6,378.48

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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.