Home / 11,018.17-15,203.55-6,481.06

Finding the Fourth Proportional to 11,018.17, 15,203.55 and 6,481.06

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Solution

The fourth proportional to 11,018.17, 15,203.55 and 6,481.06 is: 8,942.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.17 : 15,203.55 = 6,481.06 : x
  2. Step 2: Convert to fraction form
    11,018.17/15,203.55 = 6,481.06/x
  3. Step 3: Cross multiply
    11,018.17x = 15,203.55 × 6,481.06
  4. Step 4: Simplify right side
    11,018.17x = 98,535,057.45
  5. Step 5: Solve for x
    x = 98,535,057.45/11,018.17
  6. Step 6: Final answer
    x = 8,942.96

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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.