Home / 11,906.08-16,430.11-6,600.92

Finding the Fourth Proportional to 11,906.08, 16,430.11 and 6,600.92

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Solution

The fourth proportional to 11,906.08, 16,430.11 and 6,600.92 is: 9,109.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.08 : 16,430.11 = 6,600.92 : x
  2. Step 2: Convert to fraction form
    11,906.08/16,430.11 = 6,600.92/x
  3. Step 3: Cross multiply
    11,906.08x = 16,430.11 × 6,600.92
  4. Step 4: Simplify right side
    11,906.08x = 108,453,743.05
  5. Step 5: Solve for x
    x = 108,453,743.05/11,906.08
  6. Step 6: Final answer
    x = 9,109.11

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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.