Home / 10,989.22-15,164.72-6,273.30

Finding the Fourth Proportional to 10,989.22, 15,164.72 and 6,273.30

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Solution

The fourth proportional to 10,989.22, 15,164.72 and 6,273.30 is: 8,656.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,989.22 : 15,164.72 = 6,273.30 : x
  2. Step 2: Convert to fraction form
    10,989.22/15,164.72 = 6,273.30/x
  3. Step 3: Cross multiply
    10,989.22x = 15,164.72 × 6,273.30
  4. Step 4: Simplify right side
    10,989.22x = 95,132,837.98
  5. Step 5: Solve for x
    x = 95,132,837.98/10,989.22
  6. Step 6: Final answer
    x = 8,656.92

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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.