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Finding the Fourth Proportional to 11,035.92, 15,213.12 and 8,055.12

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Solution

The fourth proportional to 11,035.92, 15,213.12 and 8,055.12 is: 11,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,035.92 : 15,213.12 = 8,055.12 : x
  2. Step 2: Convert to fraction form
    11,035.92/15,213.12 = 8,055.12/x
  3. Step 3: Cross multiply
    11,035.92x = 15,213.12 × 8,055.12
  4. Step 4: Simplify right side
    11,035.92x = 122,543,507.17
  5. Step 5: Solve for x
    x = 122,543,507.17/11,035.92
  6. Step 6: Final answer
    x = 11,104.06

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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.