Home / 11,225.92-15,491.76-6,190.46

Finding the Fourth Proportional to 11,225.92, 15,491.76 and 6,190.46

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Solution

The fourth proportional to 11,225.92, 15,491.76 and 6,190.46 is: 8,542.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.92 : 15,491.76 = 6,190.46 : x
  2. Step 2: Convert to fraction form
    11,225.92/15,491.76 = 6,190.46/x
  3. Step 3: Cross multiply
    11,225.92x = 15,491.76 × 6,190.46
  4. Step 4: Simplify right side
    11,225.92x = 95,901,182.56
  5. Step 5: Solve for x
    x = 95,901,182.56/11,225.92
  6. Step 6: Final answer
    x = 8,542.84

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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.