Home / 9,026.96-13,540.08-2,786.72

Finding the Fourth Proportional to 9,026.96, 13,540.08 and 2,786.72

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Solution

The fourth proportional to 9,026.96, 13,540.08 and 2,786.72 is: 4,179.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,026.96 : 13,540.08 = 2,786.72 : x
  2. Step 2: Convert to fraction form
    9,026.96/13,540.08 = 2,786.72/x
  3. Step 3: Cross multiply
    9,026.96x = 13,540.08 × 2,786.72
  4. Step 4: Simplify right side
    9,026.96x = 37,732,411.74
  5. Step 5: Solve for x
    x = 37,732,411.74/9,026.96
  6. Step 6: Final answer
    x = 4,179.97

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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.