Home / 10,576.64-15,867.40-3,181.26

Finding the Fourth Proportional to 10,576.64, 15,867.40 and 3,181.26

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Solution

The fourth proportional to 10,576.64, 15,867.40 and 3,181.26 is: 4,772.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,576.64 : 15,867.40 = 3,181.26 : x
  2. Step 2: Convert to fraction form
    10,576.64/15,867.40 = 3,181.26/x
  3. Step 3: Cross multiply
    10,576.64x = 15,867.40 × 3,181.26
  4. Step 4: Simplify right side
    10,576.64x = 50,478,324.92
  5. Step 5: Solve for x
    x = 50,478,324.92/10,576.64
  6. Step 6: Final answer
    x = 4,772.62

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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.