Home / 10,161.23-15,238.74-3,585.88

Finding the Fourth Proportional to 10,161.23, 15,238.74 and 3,585.88

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Solution

The fourth proportional to 10,161.23, 15,238.74 and 3,585.88 is: 5,377.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.23 : 15,238.74 = 3,585.88 : x
  2. Step 2: Convert to fraction form
    10,161.23/15,238.74 = 3,585.88/x
  3. Step 3: Cross multiply
    10,161.23x = 15,238.74 × 3,585.88
  4. Step 4: Simplify right side
    10,161.23x = 54,644,292.99
  5. Step 5: Solve for x
    x = 54,644,292.99/10,161.23
  6. Step 6: Final answer
    x = 5,377.72

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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.