Home / 8,556.67-12,827.50-4,112.11

Finding the Fourth Proportional to 8,556.67, 12,827.50 and 4,112.11

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Solution

The fourth proportional to 8,556.67, 12,827.50 and 4,112.11 is: 6,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.67 : 12,827.50 = 4,112.11 : x
  2. Step 2: Convert to fraction form
    8,556.67/12,827.50 = 4,112.11/x
  3. Step 3: Cross multiply
    8,556.67x = 12,827.50 × 4,112.11
  4. Step 4: Simplify right side
    8,556.67x = 52,748,091.03
  5. Step 5: Solve for x
    x = 52,748,091.03/8,556.67
  6. Step 6: Final answer
    x = 6,164.56

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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.