Home / 10,161.88-15,235.80-3,496.60

Finding the Fourth Proportional to 10,161.88, 15,235.80 and 3,496.60

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Solution

The fourth proportional to 10,161.88, 15,235.80 and 3,496.60 is: 5,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.88 : 15,235.80 = 3,496.60 : x
  2. Step 2: Convert to fraction form
    10,161.88/15,235.80 = 3,496.60/x
  3. Step 3: Cross multiply
    10,161.88x = 15,235.80 × 3,496.60
  4. Step 4: Simplify right side
    10,161.88x = 53,273,498.28
  5. Step 5: Solve for x
    x = 53,273,498.28/10,161.88
  6. Step 6: Final answer
    x = 5,242.48

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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.