Home / 8,264.25-12,389.31-2,716.11

Finding the Fourth Proportional to 8,264.25, 12,389.31 and 2,716.11

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Solution

The fourth proportional to 8,264.25, 12,389.31 and 2,716.11 is: 4,071.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.25 : 12,389.31 = 2,716.11 : x
  2. Step 2: Convert to fraction form
    8,264.25/12,389.31 = 2,716.11/x
  3. Step 3: Cross multiply
    8,264.25x = 12,389.31 × 2,716.11
  4. Step 4: Simplify right side
    8,264.25x = 33,650,728.78
  5. Step 5: Solve for x
    x = 33,650,728.78/8,264.25
  6. Step 6: Final answer
    x = 4,071.84

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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.