Home / 10,992.07-15,169.06-6,453.86

Finding the Fourth Proportional to 10,992.07, 15,169.06 and 6,453.86

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Solution

The fourth proportional to 10,992.07, 15,169.06 and 6,453.86 is: 8,906.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992.07 : 15,169.06 = 6,453.86 : x
  2. Step 2: Convert to fraction form
    10,992.07/15,169.06 = 6,453.86/x
  3. Step 3: Cross multiply
    10,992.07x = 15,169.06 × 6,453.86
  4. Step 4: Simplify right side
    10,992.07x = 97,899,067.93
  5. Step 5: Solve for x
    x = 97,899,067.93/10,992.07
  6. Step 6: Final answer
    x = 8,906.33

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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.