Home / 10,181.61-15,272.79-3,162.33

Finding the Fourth Proportional to 10,181.61, 15,272.79 and 3,162.33

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Solution

The fourth proportional to 10,181.61, 15,272.79 and 3,162.33 is: 4,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,181.61 : 15,272.79 = 3,162.33 : x
  2. Step 2: Convert to fraction form
    10,181.61/15,272.79 = 3,162.33/x
  3. Step 3: Cross multiply
    10,181.61x = 15,272.79 × 3,162.33
  4. Step 4: Simplify right side
    10,181.61x = 48,297,602.00
  5. Step 5: Solve for x
    x = 48,297,602.00/10,181.61
  6. Step 6: Final answer
    x = 4,743.61

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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.