Home / 12,731.24-19,094.73-3,965.47

Finding the Fourth Proportional to 12,731.24, 19,094.73 and 3,965.47

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Solution

The fourth proportional to 12,731.24, 19,094.73 and 3,965.47 is: 5,947.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731.24 : 19,094.73 = 3,965.47 : x
  2. Step 2: Convert to fraction form
    12,731.24/19,094.73 = 3,965.47/x
  3. Step 3: Cross multiply
    12,731.24x = 19,094.73 × 3,965.47
  4. Step 4: Simplify right side
    12,731.24x = 75,719,578.97
  5. Step 5: Solve for x
    x = 75,719,578.97/12,731.24
  6. Step 6: Final answer
    x = 5,947.54

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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.