Home / 10,989.25-15,165.17-6,273.43

Finding the Fourth Proportional to 10,989.25, 15,165.17 and 6,273.43

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Solution

The fourth proportional to 10,989.25, 15,165.17 and 6,273.43 is: 8,657.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.25 : 15,165.17 = 6,273.43 : x
  2. Step 2: Convert to fraction form
    10,989.25/15,165.17 = 6,273.43/x
  3. Step 3: Cross multiply
    10,989.25x = 15,165.17 × 6,273.43
  4. Step 4: Simplify right side
    10,989.25x = 95,137,632.43
  5. Step 5: Solve for x
    x = 95,137,632.43/10,989.25
  6. Step 6: Final answer
    x = 8,657.34

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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.