Home / 11,725.46-17,588.19-3,939.74

Finding the Fourth Proportional to 11,725.46, 17,588.19 and 3,939.74

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Solution

The fourth proportional to 11,725.46, 17,588.19 and 3,939.74 is: 5,909.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,725.46 : 17,588.19 = 3,939.74 : x
  2. Step 2: Convert to fraction form
    11,725.46/17,588.19 = 3,939.74/x
  3. Step 3: Cross multiply
    11,725.46x = 17,588.19 × 3,939.74
  4. Step 4: Simplify right side
    11,725.46x = 69,292,866.30
  5. Step 5: Solve for x
    x = 69,292,866.30/11,725.46
  6. Step 6: Final answer
    x = 5,909.61

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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.