Home / 43,067.24-64,601.36-11,477.12

Finding the Fourth Proportional to 43,067.24, 64,601.36 and 11,477.12

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Solution

The fourth proportional to 43,067.24, 64,601.36 and 11,477.12 is: 17,215.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,067.24 : 64,601.36 = 11,477.12 : x
  2. Step 2: Convert to fraction form
    43,067.24/64,601.36 = 11,477.12/x
  3. Step 3: Cross multiply
    43,067.24x = 64,601.36 × 11,477.12
  4. Step 4: Simplify right side
    43,067.24x = 741,437,560.88
  5. Step 5: Solve for x
    x = 741,437,560.88/43,067.24
  6. Step 6: Final answer
    x = 17,215.81

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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.