Home / 11,664.45-16,096.86-6,628.28

Finding the Fourth Proportional to 11,664.45, 16,096.86 and 6,628.28

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Solution

The fourth proportional to 11,664.45, 16,096.86 and 6,628.28 is: 9,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.45 : 16,096.86 = 6,628.28 : x
  2. Step 2: Convert to fraction form
    11,664.45/16,096.86 = 6,628.28/x
  3. Step 3: Cross multiply
    11,664.45x = 16,096.86 × 6,628.28
  4. Step 4: Simplify right side
    11,664.45x = 106,694,414.72
  5. Step 5: Solve for x
    x = 106,694,414.72/11,664.45
  6. Step 6: Final answer
    x = 9,146.97

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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.