Home / 11,122.45-15,348.89-6,086.57

Finding the Fourth Proportional to 11,122.45, 15,348.89 and 6,086.57

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Solution

The fourth proportional to 11,122.45, 15,348.89 and 6,086.57 is: 8,399.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.45 : 15,348.89 = 6,086.57 : x
  2. Step 2: Convert to fraction form
    11,122.45/15,348.89 = 6,086.57/x
  3. Step 3: Cross multiply
    11,122.45x = 15,348.89 × 6,086.57
  4. Step 4: Simplify right side
    11,122.45x = 93,422,031.88
  5. Step 5: Solve for x
    x = 93,422,031.88/11,122.45
  6. Step 6: Final answer
    x = 8,399.41

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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.