Home / 11,031.39-15,222.71-5,995.58

Finding the Fourth Proportional to 11,031.39, 15,222.71 and 5,995.58

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Solution

The fourth proportional to 11,031.39, 15,222.71 and 5,995.58 is: 8,273.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.39 : 15,222.71 = 5,995.58 : x
  2. Step 2: Convert to fraction form
    11,031.39/15,222.71 = 5,995.58/x
  3. Step 3: Cross multiply
    11,031.39x = 15,222.71 × 5,995.58
  4. Step 4: Simplify right side
    11,031.39x = 91,268,869.53
  5. Step 5: Solve for x
    x = 91,268,869.53/11,031.39
  6. Step 6: Final answer
    x = 8,273.56

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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.