Home / 10,975.66-15,146.28-5,939.77

Finding the Fourth Proportional to 10,975.66, 15,146.28 and 5,939.77

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Solution

The fourth proportional to 10,975.66, 15,146.28 and 5,939.77 is: 8,196.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.66 : 15,146.28 = 5,939.77 : x
  2. Step 2: Convert to fraction form
    10,975.66/15,146.28 = 5,939.77/x
  3. Step 3: Cross multiply
    10,975.66x = 15,146.28 × 5,939.77
  4. Step 4: Simplify right side
    10,975.66x = 89,965,403.96
  5. Step 5: Solve for x
    x = 89,965,403.96/10,975.66
  6. Step 6: Final answer
    x = 8,196.81

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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.