Home / 10,409.91-15,615.06-3,832.71

Finding the Fourth Proportional to 10,409.91, 15,615.06 and 3,832.71

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Solution

The fourth proportional to 10,409.91, 15,615.06 and 3,832.71 is: 5,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.91 : 15,615.06 = 3,832.71 : x
  2. Step 2: Convert to fraction form
    10,409.91/15,615.06 = 3,832.71/x
  3. Step 3: Cross multiply
    10,409.91x = 15,615.06 × 3,832.71
  4. Step 4: Simplify right side
    10,409.91x = 59,847,996.61
  5. Step 5: Solve for x
    x = 59,847,996.61/10,409.91
  6. Step 6: Final answer
    x = 5,749.14

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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.