Home / 8,038.78-12,058.18-2,195.37

Finding the Fourth Proportional to 8,038.78, 12,058.18 and 2,195.37

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Solution

The fourth proportional to 8,038.78, 12,058.18 and 2,195.37 is: 3,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,038.78 : 12,058.18 = 2,195.37 : x
  2. Step 2: Convert to fraction form
    8,038.78/12,058.18 = 2,195.37/x
  3. Step 3: Cross multiply
    8,038.78x = 12,058.18 × 2,195.37
  4. Step 4: Simplify right side
    8,038.78x = 26,472,161.14
  5. Step 5: Solve for x
    x = 26,472,161.14/8,038.78
  6. Step 6: Final answer
    x = 3,293.06

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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.