Home / 11,906.60-16,426.44-7,656.99

Finding the Fourth Proportional to 11,906.60, 16,426.44 and 7,656.99

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Solution

The fourth proportional to 11,906.60, 16,426.44 and 7,656.99 is: 10,563.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.60 : 16,426.44 = 7,656.99 : x
  2. Step 2: Convert to fraction form
    11,906.60/16,426.44 = 7,656.99/x
  3. Step 3: Cross multiply
    11,906.60x = 16,426.44 × 7,656.99
  4. Step 4: Simplify right side
    11,906.60x = 125,777,086.82
  5. Step 5: Solve for x
    x = 125,777,086.82/11,906.60
  6. Step 6: Final answer
    x = 10,563.65

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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.