Home / 8,812.55-13,209.60-2,967.14

Finding the Fourth Proportional to 8,812.55, 13,209.60 and 2,967.14

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Solution

The fourth proportional to 8,812.55, 13,209.60 and 2,967.14 is: 4,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.55 : 13,209.60 = 2,967.14 : x
  2. Step 2: Convert to fraction form
    8,812.55/13,209.60 = 2,967.14/x
  3. Step 3: Cross multiply
    8,812.55x = 13,209.60 × 2,967.14
  4. Step 4: Simplify right side
    8,812.55x = 39,194,732.54
  5. Step 5: Solve for x
    x = 39,194,732.54/8,812.55
  6. Step 6: Final answer
    x = 4,447.60

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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.