Home / 11,003.14-16,500.75-3,981.34

Finding the Fourth Proportional to 11,003.14, 16,500.75 and 3,981.34

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Solution

The fourth proportional to 11,003.14, 16,500.75 and 3,981.34 is: 5,970.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.14 : 16,500.75 = 3,981.34 : x
  2. Step 2: Convert to fraction form
    11,003.14/16,500.75 = 3,981.34/x
  3. Step 3: Cross multiply
    11,003.14x = 16,500.75 × 3,981.34
  4. Step 4: Simplify right side
    11,003.14x = 65,695,096.01
  5. Step 5: Solve for x
    x = 65,695,096.01/11,003.14
  6. Step 6: Final answer
    x = 5,970.58

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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.