Home / 8,031.22-12,042.88-4,743.43

Finding the Fourth Proportional to 8,031.22, 12,042.88 and 4,743.43

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Solution

The fourth proportional to 8,031.22, 12,042.88 and 4,743.43 is: 7,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,031.22 : 12,042.88 = 4,743.43 : x
  2. Step 2: Convert to fraction form
    8,031.22/12,042.88 = 4,743.43/x
  3. Step 3: Cross multiply
    8,031.22x = 12,042.88 × 4,743.43
  4. Step 4: Simplify right side
    8,031.22x = 57,124,516.31
  5. Step 5: Solve for x
    x = 57,124,516.31/8,031.22
  6. Step 6: Final answer
    x = 7,112.81

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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.