Home / 11,351.13-17,026.71-3,143.13

Finding the Fourth Proportional to 11,351.13, 17,026.71 and 3,143.13

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Solution

The fourth proportional to 11,351.13, 17,026.71 and 3,143.13 is: 4,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,351.13 : 17,026.71 = 3,143.13 : x
  2. Step 2: Convert to fraction form
    11,351.13/17,026.71 = 3,143.13/x
  3. Step 3: Cross multiply
    11,351.13x = 17,026.71 × 3,143.13
  4. Step 4: Simplify right side
    11,351.13x = 53,517,163.00
  5. Step 5: Solve for x
    x = 53,517,163.00/11,351.13
  6. Step 6: Final answer
    x = 4,714.70

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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.