Home / 11,579.97-15,974.49-7,323.87

Finding the Fourth Proportional to 11,579.97, 15,974.49 and 7,323.87

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Solution

The fourth proportional to 11,579.97, 15,974.49 and 7,323.87 is: 10,103.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,579.97 : 15,974.49 = 7,323.87 : x
  2. Step 2: Convert to fraction form
    11,579.97/15,974.49 = 7,323.87/x
  3. Step 3: Cross multiply
    11,579.97x = 15,974.49 × 7,323.87
  4. Step 4: Simplify right side
    11,579.97x = 116,995,088.08
  5. Step 5: Solve for x
    x = 116,995,088.08/11,579.97
  6. Step 6: Final answer
    x = 10,103.23

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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.