Home / 11,949.82-16,519.62-10,953.52

Finding the Fourth Proportional to 11,949.82, 16,519.62 and 10,953.52

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Solution

The fourth proportional to 11,949.82, 16,519.62 and 10,953.52 is: 15,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,949.82 : 16,519.62 = 10,953.52 : x
  2. Step 2: Convert to fraction form
    11,949.82/16,519.62 = 10,953.52/x
  3. Step 3: Cross multiply
    11,949.82x = 16,519.62 × 10,953.52
  4. Step 4: Simplify right side
    11,949.82x = 180,947,988.06
  5. Step 5: Solve for x
    x = 180,947,988.06/11,949.82
  6. Step 6: Final answer
    x = 15,142.32

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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.