Home / 8,083.43-12,116.93-6,131.53

Finding the Fourth Proportional to 8,083.43, 12,116.93 and 6,131.53

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Solution

The fourth proportional to 8,083.43, 12,116.93 and 6,131.53 is: 9,191.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083.43 : 12,116.93 = 6,131.53 : x
  2. Step 2: Convert to fraction form
    8,083.43/12,116.93 = 6,131.53/x
  3. Step 3: Cross multiply
    8,083.43x = 12,116.93 × 6,131.53
  4. Step 4: Simplify right side
    8,083.43x = 74,295,304.29
  5. Step 5: Solve for x
    x = 74,295,304.29/8,083.43
  6. Step 6: Final answer
    x = 9,191.06

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1.5x scale

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.