Home / 8,567.78-11,823.44-4,791.29

Finding the Fourth Proportional to 8,567.78, 11,823.44 and 4,791.29

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Solution

The fourth proportional to 8,567.78, 11,823.44 and 4,791.29 is: 6,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,567.78 : 11,823.44 = 4,791.29 : x
  2. Step 2: Convert to fraction form
    8,567.78/11,823.44 = 4,791.29/x
  3. Step 3: Cross multiply
    8,567.78x = 11,823.44 × 4,791.29
  4. Step 4: Simplify right side
    8,567.78x = 56,649,446.76
  5. Step 5: Solve for x
    x = 56,649,446.76/8,567.78
  6. Step 6: Final answer
    x = 6,611.92

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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.