Home / 10,851.96-16,272.55-3,455.46

Finding the Fourth Proportional to 10,851.96, 16,272.55 and 3,455.46

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Solution

The fourth proportional to 10,851.96, 16,272.55 and 3,455.46 is: 5,181.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,851.96 : 16,272.55 = 3,455.46 : x
  2. Step 2: Convert to fraction form
    10,851.96/16,272.55 = 3,455.46/x
  3. Step 3: Cross multiply
    10,851.96x = 16,272.55 × 3,455.46
  4. Step 4: Simplify right side
    10,851.96x = 56,229,145.62
  5. Step 5: Solve for x
    x = 56,229,145.62/10,851.96
  6. Step 6: Final answer
    x = 5,181.47

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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.