Home / 8,076.19-11,145.31-4,539.63

Finding the Fourth Proportional to 8,076.19, 11,145.31 and 4,539.63

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Solution

The fourth proportional to 8,076.19, 11,145.31 and 4,539.63 is: 6,264.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.19 : 11,145.31 = 4,539.63 : x
  2. Step 2: Convert to fraction form
    8,076.19/11,145.31 = 4,539.63/x
  3. Step 3: Cross multiply
    8,076.19x = 11,145.31 × 4,539.63
  4. Step 4: Simplify right side
    8,076.19x = 50,595,527.91
  5. Step 5: Solve for x
    x = 50,595,527.91/8,076.19
  6. Step 6: Final answer
    x = 6,264.78

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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.