Home / 11,057.28-15,259.31-6,021.78

Finding the Fourth Proportional to 11,057.28, 15,259.31 and 6,021.78

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Solution

The fourth proportional to 11,057.28, 15,259.31 and 6,021.78 is: 8,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,057.28 : 15,259.31 = 6,021.78 : x
  2. Step 2: Convert to fraction form
    11,057.28/15,259.31 = 6,021.78/x
  3. Step 3: Cross multiply
    11,057.28x = 15,259.31 × 6,021.78
  4. Step 4: Simplify right side
    11,057.28x = 91,888,207.77
  5. Step 5: Solve for x
    x = 91,888,207.77/11,057.28
  6. Step 6: Final answer
    x = 8,310.20

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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.