Home / 11,906.79-16,432.33-6,601.49

Finding the Fourth Proportional to 11,906.79, 16,432.33 and 6,601.49

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Solution

The fourth proportional to 11,906.79, 16,432.33 and 6,601.49 is: 9,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.79 : 16,432.33 = 6,601.49 : x
  2. Step 2: Convert to fraction form
    11,906.79/16,432.33 = 6,601.49/x
  3. Step 3: Cross multiply
    11,906.79x = 16,432.33 × 6,601.49
  4. Step 4: Simplify right side
    11,906.79x = 108,477,862.17
  5. Step 5: Solve for x
    x = 108,477,862.17/11,906.79
  6. Step 6: Final answer
    x = 9,110.59

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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.