Home / 8,736.21-13,104.80-2,495.74

Finding the Fourth Proportional to 8,736.21, 13,104.80 and 2,495.74

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Solution

The fourth proportional to 8,736.21, 13,104.80 and 2,495.74 is: 3,743.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,736.21 : 13,104.80 = 2,495.74 : x
  2. Step 2: Convert to fraction form
    8,736.21/13,104.80 = 2,495.74/x
  3. Step 3: Cross multiply
    8,736.21x = 13,104.80 × 2,495.74
  4. Step 4: Simplify right side
    8,736.21x = 32,706,173.55
  5. Step 5: Solve for x
    x = 32,706,173.55/8,736.21
  6. Step 6: Final answer
    x = 3,743.75

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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.