Home / 10,409.22-15,611.88-3,744.72

Finding the Fourth Proportional to 10,409.22, 15,611.88 and 3,744.72

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Solution

The fourth proportional to 10,409.22, 15,611.88 and 3,744.72 is: 5,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.22 : 15,611.88 = 3,744.72 : x
  2. Step 2: Convert to fraction form
    10,409.22/15,611.88 = 3,744.72/x
  3. Step 3: Cross multiply
    10,409.22x = 15,611.88 × 3,744.72
  4. Step 4: Simplify right side
    10,409.22x = 58,462,119.27
  5. Step 5: Solve for x
    x = 58,462,119.27/10,409.22
  6. Step 6: Final answer
    x = 5,616.38

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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.