Home / 11,643.20-16,067.64-6,338.01

Finding the Fourth Proportional to 11,643.20, 16,067.64 and 6,338.01

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Solution

The fourth proportional to 11,643.20, 16,067.64 and 6,338.01 is: 8,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,643.20 : 16,067.64 = 6,338.01 : x
  2. Step 2: Convert to fraction form
    11,643.20/16,067.64 = 6,338.01/x
  3. Step 3: Cross multiply
    11,643.20x = 16,067.64 × 6,338.01
  4. Step 4: Simplify right side
    11,643.20x = 101,836,782.66
  5. Step 5: Solve for x
    x = 101,836,782.66/11,643.20
  6. Step 6: Final answer
    x = 8,746.46

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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.