Home / 8,047.26-12,072.63-3,116.91

Finding the Fourth Proportional to 8,047.26, 12,072.63 and 3,116.91

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Solution

The fourth proportional to 8,047.26, 12,072.63 and 3,116.91 is: 4,676.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,047.26 : 12,072.63 = 3,116.91 : x
  2. Step 2: Convert to fraction form
    8,047.26/12,072.63 = 3,116.91/x
  3. Step 3: Cross multiply
    8,047.26x = 12,072.63 × 3,116.91
  4. Step 4: Simplify right side
    8,047.26x = 37,629,301.17
  5. Step 5: Solve for x
    x = 37,629,301.17/8,047.26
  6. Step 6: Final answer
    x = 4,676.04

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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.