Home / 8,076.22-11,145.31-4,539.43

Finding the Fourth Proportional to 8,076.22, 11,145.31 and 4,539.43

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Solution

The fourth proportional to 8,076.22, 11,145.31 and 4,539.43 is: 6,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.22 : 11,145.31 = 4,539.43 : x
  2. Step 2: Convert to fraction form
    8,076.22/11,145.31 = 4,539.43/x
  3. Step 3: Cross multiply
    8,076.22x = 11,145.31 × 4,539.43
  4. Step 4: Simplify right side
    8,076.22x = 50,593,315.36
  5. Step 5: Solve for x
    x = 50,593,315.36/8,076.22
  6. Step 6: Final answer
    x = 6,264.48

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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.