Home / 10,731.55-16,099.19-3,615.11

Finding the Fourth Proportional to 10,731.55, 16,099.19 and 3,615.11

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Solution

The fourth proportional to 10,731.55, 16,099.19 and 3,615.11 is: 5,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,731.55 : 16,099.19 = 3,615.11 : x
  2. Step 2: Convert to fraction form
    10,731.55/16,099.19 = 3,615.11/x
  3. Step 3: Cross multiply
    10,731.55x = 16,099.19 × 3,615.11
  4. Step 4: Simplify right side
    10,731.55x = 58,200,342.76
  5. Step 5: Solve for x
    x = 58,200,342.76/10,731.55
  6. Step 6: Final answer
    x = 5,423.29

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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.