Home / 11,031.20-15,222.90-5,995.58

Finding the Fourth Proportional to 11,031.20, 15,222.90 and 5,995.58

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Solution

The fourth proportional to 11,031.20, 15,222.90 and 5,995.58 is: 8,273.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031.20 : 15,222.90 = 5,995.58 : x
  2. Step 2: Convert to fraction form
    11,031.20/15,222.90 = 5,995.58/x
  3. Step 3: Cross multiply
    11,031.20x = 15,222.90 × 5,995.58
  4. Step 4: Simplify right side
    11,031.20x = 91,270,084.80
  5. Step 5: Solve for x
    x = 91,270,084.80/11,031.20
  6. Step 6: Final answer
    x = 8,273.82

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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.