Home / 11,003.13-16,505.78-3,212.01

Finding the Fourth Proportional to 11,003.13, 16,505.78 and 3,212.01

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Solution

The fourth proportional to 11,003.13, 16,505.78 and 3,212.01 is: 4,818.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.13 : 16,505.78 = 3,212.01 : x
  2. Step 2: Convert to fraction form
    11,003.13/16,505.78 = 3,212.01/x
  3. Step 3: Cross multiply
    11,003.13x = 16,505.78 × 3,212.01
  4. Step 4: Simplify right side
    11,003.13x = 53,016,714.36
  5. Step 5: Solve for x
    x = 53,016,714.36/11,003.13
  6. Step 6: Final answer
    x = 4,818.33

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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.