Home / 8,113.77-12,172.88-2,566.96

Finding the Fourth Proportional to 8,113.77, 12,172.88 and 2,566.96

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Solution

The fourth proportional to 8,113.77, 12,172.88 and 2,566.96 is: 3,851.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.77 : 12,172.88 = 2,566.96 : x
  2. Step 2: Convert to fraction form
    8,113.77/12,172.88 = 2,566.96/x
  3. Step 3: Cross multiply
    8,113.77x = 12,172.88 × 2,566.96
  4. Step 4: Simplify right side
    8,113.77x = 31,247,272.03
  5. Step 5: Solve for x
    x = 31,247,272.03/8,113.77
  6. Step 6: Final answer
    x = 3,851.14

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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.