Home / 8,076.25-11,145.68-4,539.68

Finding the Fourth Proportional to 8,076.25, 11,145.68 and 4,539.68

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Solution

The fourth proportional to 8,076.25, 11,145.68 and 4,539.68 is: 6,265.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.25 : 11,145.68 = 4,539.68 : x
  2. Step 2: Convert to fraction form
    8,076.25/11,145.68 = 4,539.68/x
  3. Step 3: Cross multiply
    8,076.25x = 11,145.68 × 4,539.68
  4. Step 4: Simplify right side
    8,076.25x = 50,597,820.58
  5. Step 5: Solve for x
    x = 50,597,820.58/8,076.25
  6. Step 6: Final answer
    x = 6,265.01

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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.