Home / 10,001.00-15,003.63-3,425.42

Finding the Fourth Proportional to 10,001.00, 15,003.63 and 3,425.42

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Solution

The fourth proportional to 10,001.00, 15,003.63 and 3,425.42 is: 5,138.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,001.00 : 15,003.63 = 3,425.42 : x
  2. Step 2: Convert to fraction form
    10,001.00/15,003.63 = 3,425.42/x
  3. Step 3: Cross multiply
    10,001.00x = 15,003.63 × 3,425.42
  4. Step 4: Simplify right side
    10,001.00x = 51,393,771.78
  5. Step 5: Solve for x
    x = 51,393,771.78/10,001.00
  6. Step 6: Final answer
    x = 5,138.86

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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.