Home / 8,778.19-13,170.77-3,848.61

Finding the Fourth Proportional to 8,778.19, 13,170.77 and 3,848.61

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Solution

The fourth proportional to 8,778.19, 13,170.77 and 3,848.61 is: 5,774.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.19 : 13,170.77 = 3,848.61 : x
  2. Step 2: Convert to fraction form
    8,778.19/13,170.77 = 3,848.61/x
  3. Step 3: Cross multiply
    8,778.19x = 13,170.77 × 3,848.61
  4. Step 4: Simplify right side
    8,778.19x = 50,689,157.13
  5. Step 5: Solve for x
    x = 50,689,157.13/8,778.19
  6. Step 6: Final answer
    x = 5,774.44

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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.