Home / 8,076.96-11,145.63-4,540.70

Finding the Fourth Proportional to 8,076.96, 11,145.63 and 4,540.70

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Solution

The fourth proportional to 8,076.96, 11,145.63 and 4,540.70 is: 6,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.96 : 11,145.63 = 4,540.70 : x
  2. Step 2: Convert to fraction form
    8,076.96/11,145.63 = 4,540.70/x
  3. Step 3: Cross multiply
    8,076.96x = 11,145.63 × 4,540.70
  4. Step 4: Simplify right side
    8,076.96x = 50,609,007.03
  5. Step 5: Solve for x
    x = 50,609,007.03/8,076.96
  6. Step 6: Final answer
    x = 6,265.85

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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.