Home / 11,933.39-16,467.62-6,628.55

Finding the Fourth Proportional to 11,933.39, 16,467.62 and 6,628.55

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Solution

The fourth proportional to 11,933.39, 16,467.62 and 6,628.55 is: 9,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,933.39 : 16,467.62 = 6,628.55 : x
  2. Step 2: Convert to fraction form
    11,933.39/16,467.62 = 6,628.55/x
  3. Step 3: Cross multiply
    11,933.39x = 16,467.62 × 6,628.55
  4. Step 4: Simplify right side
    11,933.39x = 109,156,442.55
  5. Step 5: Solve for x
    x = 109,156,442.55/11,933.39
  6. Step 6: Final answer
    x = 9,147.14

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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.