Home / 10,661.06-15,989.70-6,273.38

Finding the Fourth Proportional to 10,661.06, 15,989.70 and 6,273.38

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Solution

The fourth proportional to 10,661.06, 15,989.70 and 6,273.38 is: 9,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.06 : 15,989.70 = 6,273.38 : x
  2. Step 2: Convert to fraction form
    10,661.06/15,989.70 = 6,273.38/x
  3. Step 3: Cross multiply
    10,661.06x = 15,989.70 × 6,273.38
  4. Step 4: Simplify right side
    10,661.06x = 100,309,464.19
  5. Step 5: Solve for x
    x = 100,309,464.19/10,661.06
  6. Step 6: Final answer
    x = 9,408.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.