Home / 11,639.68-17,462.64-5,067.28

Finding the Fourth Proportional to 11,639.68, 17,462.64 and 5,067.28

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Solution

The fourth proportional to 11,639.68, 17,462.64 and 5,067.28 is: 7,602.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.68 : 17,462.64 = 5,067.28 : x
  2. Step 2: Convert to fraction form
    11,639.68/17,462.64 = 5,067.28/x
  3. Step 3: Cross multiply
    11,639.68x = 17,462.64 × 5,067.28
  4. Step 4: Simplify right side
    11,639.68x = 88,488,086.42
  5. Step 5: Solve for x
    x = 88,488,086.42/11,639.68
  6. Step 6: Final answer
    x = 7,602.28

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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.