Home / 11,225.88-15,491.49-6,190.56

Finding the Fourth Proportional to 11,225.88, 15,491.49 and 6,190.56

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Solution

The fourth proportional to 11,225.88, 15,491.49 and 6,190.56 is: 8,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.88 : 15,491.49 = 6,190.56 : x
  2. Step 2: Convert to fraction form
    11,225.88/15,491.49 = 6,190.56/x
  3. Step 3: Cross multiply
    11,225.88x = 15,491.49 × 6,190.56
  4. Step 4: Simplify right side
    11,225.88x = 95,900,998.33
  5. Step 5: Solve for x
    x = 95,900,998.33/11,225.88
  6. Step 6: Final answer
    x = 8,542.85

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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.