Home / 11,327.85-15,633.41-6,293.70

Finding the Fourth Proportional to 11,327.85, 15,633.41 and 6,293.70

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Solution

The fourth proportional to 11,327.85, 15,633.41 and 6,293.70 is: 8,685.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,327.85 : 15,633.41 = 6,293.70 : x
  2. Step 2: Convert to fraction form
    11,327.85/15,633.41 = 6,293.70/x
  3. Step 3: Cross multiply
    11,327.85x = 15,633.41 × 6,293.70
  4. Step 4: Simplify right side
    11,327.85x = 98,391,961.05
  5. Step 5: Solve for x
    x = 98,391,961.05/11,327.85
  6. Step 6: Final answer
    x = 8,685.85

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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.