Home / 10,106.34-15,161.16-3,443.43

Finding the Fourth Proportional to 10,106.34, 15,161.16 and 3,443.43

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Solution

The fourth proportional to 10,106.34, 15,161.16 and 3,443.43 is: 5,165.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.34 : 15,161.16 = 3,443.43 : x
  2. Step 2: Convert to fraction form
    10,106.34/15,161.16 = 3,443.43/x
  3. Step 3: Cross multiply
    10,106.34x = 15,161.16 × 3,443.43
  4. Step 4: Simplify right side
    10,106.34x = 52,206,393.18
  5. Step 5: Solve for x
    x = 52,206,393.18/10,106.34
  6. Step 6: Final answer
    x = 5,165.71

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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.