Home / 8,176.12-11,283.48-4,819

Finding the Fourth Proportional to 8,176.12, 11,283.48 and 4,819

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Solution

The fourth proportional to 8,176.12, 11,283.48 and 4,819 is: 6,650.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.12 : 11,283.48 = 4,819 : x
  2. Step 2: Convert to fraction form
    8,176.12/11,283.48 = 4,819/x
  3. Step 3: Cross multiply
    8,176.12x = 11,283.48 × 4,819
  4. Step 4: Simplify right side
    8,176.12x = 54,375,090.12
  5. Step 5: Solve for x
    x = 54,375,090.12/8,176.12
  6. Step 6: Final answer
    x = 6,650.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.