Home / 10,181.54-15,276.69-5,500.61

Finding the Fourth Proportional to 10,181.54, 15,276.69 and 5,500.61

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Solution

The fourth proportional to 10,181.54, 15,276.69 and 5,500.61 is: 8,253.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.54 : 15,276.69 = 5,500.61 : x
  2. Step 2: Convert to fraction form
    10,181.54/15,276.69 = 5,500.61/x
  3. Step 3: Cross multiply
    10,181.54x = 15,276.69 × 5,500.61
  4. Step 4: Simplify right side
    10,181.54x = 84,031,037.40
  5. Step 5: Solve for x
    x = 84,031,037.40/10,181.54
  6. Step 6: Final answer
    x = 8,253.27

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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.