Home / 11,869.58-17,815.17-6,327.65

Finding the Fourth Proportional to 11,869.58, 17,815.17 and 6,327.65

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Solution

The fourth proportional to 11,869.58, 17,815.17 and 6,327.65 is: 9,497.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.58 : 17,815.17 = 6,327.65 : x
  2. Step 2: Convert to fraction form
    11,869.58/17,815.17 = 6,327.65/x
  3. Step 3: Cross multiply
    11,869.58x = 17,815.17 × 6,327.65
  4. Step 4: Simplify right side
    11,869.58x = 112,728,160.45
  5. Step 5: Solve for x
    x = 112,728,160.45/11,869.58
  6. Step 6: Final answer
    x = 9,497.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.