Home / 10,180.56-15,276.51-5,500.47

Finding the Fourth Proportional to 10,180.56, 15,276.51 and 5,500.47

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Solution

The fourth proportional to 10,180.56, 15,276.51 and 5,500.47 is: 8,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.56 : 15,276.51 = 5,500.47 : x
  2. Step 2: Convert to fraction form
    10,180.56/15,276.51 = 5,500.47/x
  3. Step 3: Cross multiply
    10,180.56x = 15,276.51 × 5,500.47
  4. Step 4: Simplify right side
    10,180.56x = 84,027,984.96
  5. Step 5: Solve for x
    x = 84,027,984.96/10,180.56
  6. Step 6: Final answer
    x = 8,253.77

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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.