Home / 11,190.44-15,439.20-7,204.52

Finding the Fourth Proportional to 11,190.44, 15,439.20 and 7,204.52

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Solution

The fourth proportional to 11,190.44, 15,439.20 and 7,204.52 is: 9,939.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,190.44 : 15,439.20 = 7,204.52 : x
  2. Step 2: Convert to fraction form
    11,190.44/15,439.20 = 7,204.52/x
  3. Step 3: Cross multiply
    11,190.44x = 15,439.20 × 7,204.52
  4. Step 4: Simplify right side
    11,190.44x = 111,232,025.18
  5. Step 5: Solve for x
    x = 111,232,025.18/11,190.44
  6. Step 6: Final answer
    x = 9,939.92

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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.