Home / 8,466.03-12,698.50-3,786.39

Finding the Fourth Proportional to 8,466.03, 12,698.50 and 3,786.39

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Solution

The fourth proportional to 8,466.03, 12,698.50 and 3,786.39 is: 5,679.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.03 : 12,698.50 = 3,786.39 : x
  2. Step 2: Convert to fraction form
    8,466.03/12,698.50 = 3,786.39/x
  3. Step 3: Cross multiply
    8,466.03x = 12,698.50 × 3,786.39
  4. Step 4: Simplify right side
    8,466.03x = 48,081,400.46
  5. Step 5: Solve for x
    x = 48,081,400.46/8,466.03
  6. Step 6: Final answer
    x = 5,679.34

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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.