Home / 12,083.45-18,116.96-5,838.20

Finding the Fourth Proportional to 12,083.45, 18,116.96 and 5,838.20

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Solution

The fourth proportional to 12,083.45, 18,116.96 and 5,838.20 is: 8,753.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.45 : 18,116.96 = 5,838.20 : x
  2. Step 2: Convert to fraction form
    12,083.45/18,116.96 = 5,838.20/x
  3. Step 3: Cross multiply
    12,083.45x = 18,116.96 × 5,838.20
  4. Step 4: Simplify right side
    12,083.45x = 105,770,316.10
  5. Step 5: Solve for x
    x = 105,770,316.10/12,083.45
  6. Step 6: Final answer
    x = 8,753.32

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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.