Home / 11,933.66-16,468.82-6,629.28

Finding the Fourth Proportional to 11,933.66, 16,468.82 and 6,629.28

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Solution

The fourth proportional to 11,933.66, 16,468.82 and 6,629.28 is: 9,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.66 : 16,468.82 = 6,629.28 : x
  2. Step 2: Convert to fraction form
    11,933.66/16,468.82 = 6,629.28/x
  3. Step 3: Cross multiply
    11,933.66x = 16,468.82 × 6,629.28
  4. Step 4: Simplify right side
    11,933.66x = 109,176,349.00
  5. Step 5: Solve for x
    x = 109,176,349.00/11,933.66
  6. Step 6: Final answer
    x = 9,148.60

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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.