Home / 11,933.35-16,468.79-6,628.19

Finding the Fourth Proportional to 11,933.35, 16,468.79 and 6,628.19

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Solution

The fourth proportional to 11,933.35, 16,468.79 and 6,628.19 is: 9,147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.35 : 16,468.79 = 6,628.19 : x
  2. Step 2: Convert to fraction form
    11,933.35/16,468.79 = 6,628.19/x
  3. Step 3: Cross multiply
    11,933.35x = 16,468.79 × 6,628.19
  4. Step 4: Simplify right side
    11,933.35x = 109,158,269.19
  5. Step 5: Solve for x
    x = 109,158,269.19/11,933.35
  6. Step 6: Final answer
    x = 9,147.33

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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.