Home / 11,731.44-17,582.40-8,382.24

Finding the Fourth Proportional to 11,731.44, 17,582.40 and 8,382.24

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Solution

The fourth proportional to 11,731.44, 17,582.40 and 8,382.24 is: 12,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.44 : 17,582.40 = 8,382.24 : x
  2. Step 2: Convert to fraction form
    11,731.44/17,582.40 = 8,382.24/x
  3. Step 3: Cross multiply
    11,731.44x = 17,582.40 × 8,382.24
  4. Step 4: Simplify right side
    11,731.44x = 147,379,896.58
  5. Step 5: Solve for x
    x = 147,379,896.58/11,731.44
  6. Step 6: Final answer
    x = 12,562.81

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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.