Home / 10,113.88-15,161.22-3,535.78

Finding the Fourth Proportional to 10,113.88, 15,161.22 and 3,535.78

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Solution

The fourth proportional to 10,113.88, 15,161.22 and 3,535.78 is: 5,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.88 : 15,161.22 = 3,535.78 : x
  2. Step 2: Convert to fraction form
    10,113.88/15,161.22 = 3,535.78/x
  3. Step 3: Cross multiply
    10,113.88x = 15,161.22 × 3,535.78
  4. Step 4: Simplify right side
    10,113.88x = 53,606,738.45
  5. Step 5: Solve for x
    x = 53,606,738.45/10,113.88
  6. Step 6: Final answer
    x = 5,300.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.