Home / 11,122.38-15,336.27-8,323.02

Finding the Fourth Proportional to 11,122.38, 15,336.27 and 8,323.02

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Solution

The fourth proportional to 11,122.38, 15,336.27 and 8,323.02 is: 11,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.38 : 15,336.27 = 8,323.02 : x
  2. Step 2: Convert to fraction form
    11,122.38/15,336.27 = 8,323.02/x
  3. Step 3: Cross multiply
    11,122.38x = 15,336.27 × 8,323.02
  4. Step 4: Simplify right side
    11,122.38x = 127,644,081.94
  5. Step 5: Solve for x
    x = 127,644,081.94/11,122.38
  6. Step 6: Final answer
    x = 11,476.33

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Half scale
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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.