Home / 10,083.48-15,128.45-4,163.15

Finding the Fourth Proportional to 10,083.48, 15,128.45 and 4,163.15

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Solution

The fourth proportional to 10,083.48, 15,128.45 and 4,163.15 is: 6,246.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,083.48 : 15,128.45 = 4,163.15 : x
  2. Step 2: Convert to fraction form
    10,083.48/15,128.45 = 4,163.15/x
  3. Step 3: Cross multiply
    10,083.48x = 15,128.45 × 4,163.15
  4. Step 4: Simplify right side
    10,083.48x = 62,981,910.16
  5. Step 5: Solve for x
    x = 62,981,910.16/10,083.48
  6. Step 6: Final answer
    x = 6,246.05

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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.