Home / 11,664.51-16,097.20-6,628.85

Finding the Fourth Proportional to 11,664.51, 16,097.20 and 6,628.85

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Solution

The fourth proportional to 11,664.51, 16,097.20 and 6,628.85 is: 9,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,664.51 : 16,097.20 = 6,628.85 : x
  2. Step 2: Convert to fraction form
    11,664.51/16,097.20 = 6,628.85/x
  3. Step 3: Cross multiply
    11,664.51x = 16,097.20 × 6,628.85
  4. Step 4: Simplify right side
    11,664.51x = 106,705,843.73
  5. Step 5: Solve for x
    x = 106,705,843.73/11,664.51
  6. Step 6: Final answer
    x = 9,147.91

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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.