Home / 10,892.19-15,028.90-6,414.31

Finding the Fourth Proportional to 10,892.19, 15,028.90 and 6,414.31

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Solution

The fourth proportional to 10,892.19, 15,028.90 and 6,414.31 is: 8,850.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.19 : 15,028.90 = 6,414.31 : x
  2. Step 2: Convert to fraction form
    10,892.19/15,028.90 = 6,414.31/x
  3. Step 3: Cross multiply
    10,892.19x = 15,028.90 × 6,414.31
  4. Step 4: Simplify right side
    10,892.19x = 96,400,023.56
  5. Step 5: Solve for x
    x = 96,400,023.56/10,892.19
  6. Step 6: Final answer
    x = 8,850.38

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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.