Home / 11,218.42-15,481.69-6,182.85

Finding the Fourth Proportional to 11,218.42, 15,481.69 and 6,182.85

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Solution

The fourth proportional to 11,218.42, 15,481.69 and 6,182.85 is: 8,532.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,218.42 : 15,481.69 = 6,182.85 : x
  2. Step 2: Convert to fraction form
    11,218.42/15,481.69 = 6,182.85/x
  3. Step 3: Cross multiply
    11,218.42x = 15,481.69 × 6,182.85
  4. Step 4: Simplify right side
    11,218.42x = 95,720,967.02
  5. Step 5: Solve for x
    x = 95,720,967.02/11,218.42
  6. Step 6: Final answer
    x = 8,532.48

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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.