Home / 9,026.70-13,540.40-2,786.16

Finding the Fourth Proportional to 9,026.70, 13,540.40 and 2,786.16

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Solution

The fourth proportional to 9,026.70, 13,540.40 and 2,786.16 is: 4,179.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.70 : 13,540.40 = 2,786.16 : x
  2. Step 2: Convert to fraction form
    9,026.70/13,540.40 = 2,786.16/x
  3. Step 3: Cross multiply
    9,026.70x = 13,540.40 × 2,786.16
  4. Step 4: Simplify right side
    9,026.70x = 37,725,660.13
  5. Step 5: Solve for x
    x = 37,725,660.13/9,026.70
  6. Step 6: Final answer
    x = 4,179.34

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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.