Home / 11,363.20-17,035.48-5,121.34

Finding the Fourth Proportional to 11,363.20, 17,035.48 and 5,121.34

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Solution

The fourth proportional to 11,363.20, 17,035.48 and 5,121.34 is: 7,677.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.20 : 17,035.48 = 5,121.34 : x
  2. Step 2: Convert to fraction form
    11,363.20/17,035.48 = 5,121.34/x
  3. Step 3: Cross multiply
    11,363.20x = 17,035.48 × 5,121.34
  4. Step 4: Simplify right side
    11,363.20x = 87,244,485.14
  5. Step 5: Solve for x
    x = 87,244,485.14/11,363.20
  6. Step 6: Final answer
    x = 7,677.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.