Home / 10,576.48-15,849.60-5,375.20

Finding the Fourth Proportional to 10,576.48, 15,849.60 and 5,375.20

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Solution

The fourth proportional to 10,576.48, 15,849.60 and 5,375.20 is: 8,055.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.48 : 15,849.60 = 5,375.20 : x
  2. Step 2: Convert to fraction form
    10,576.48/15,849.60 = 5,375.20/x
  3. Step 3: Cross multiply
    10,576.48x = 15,849.60 × 5,375.20
  4. Step 4: Simplify right side
    10,576.48x = 85,194,769.92
  5. Step 5: Solve for x
    x = 85,194,769.92/10,576.48
  6. Step 6: Final answer
    x = 8,055.12

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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.