Home / 8,820.14-12,172.03-5,043.92

Finding the Fourth Proportional to 8,820.14, 12,172.03 and 5,043.92

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Solution

The fourth proportional to 8,820.14, 12,172.03 and 5,043.92 is: 6,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.14 : 12,172.03 = 5,043.92 : x
  2. Step 2: Convert to fraction form
    8,820.14/12,172.03 = 5,043.92/x
  3. Step 3: Cross multiply
    8,820.14x = 12,172.03 × 5,043.92
  4. Step 4: Simplify right side
    8,820.14x = 61,394,763.38
  5. Step 5: Solve for x
    x = 61,394,763.38/8,820.14
  6. Step 6: Final answer
    x = 6,960.75

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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.