Home / 10,087.07-15,120.48-3,845.48

Finding the Fourth Proportional to 10,087.07, 15,120.48 and 3,845.48

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Solution

The fourth proportional to 10,087.07, 15,120.48 and 3,845.48 is: 5,764.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.07 : 15,120.48 = 3,845.48 : x
  2. Step 2: Convert to fraction form
    10,087.07/15,120.48 = 3,845.48/x
  3. Step 3: Cross multiply
    10,087.07x = 15,120.48 × 3,845.48
  4. Step 4: Simplify right side
    10,087.07x = 58,145,503.43
  5. Step 5: Solve for x
    x = 58,145,503.43/10,087.07
  6. Step 6: Final answer
    x = 5,764.36

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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.