Home / 10,634.91-15,954.09-3,615.55

Finding the Fourth Proportional to 10,634.91, 15,954.09 and 3,615.55

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Solution

The fourth proportional to 10,634.91, 15,954.09 and 3,615.55 is: 5,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,634.91 : 15,954.09 = 3,615.55 : x
  2. Step 2: Convert to fraction form
    10,634.91/15,954.09 = 3,615.55/x
  3. Step 3: Cross multiply
    10,634.91x = 15,954.09 × 3,615.55
  4. Step 4: Simplify right side
    10,634.91x = 57,682,756.66
  5. Step 5: Solve for x
    x = 57,682,756.66/10,634.91
  6. Step 6: Final answer
    x = 5,423.91

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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.