Home / 8,466.82-12,708.44-4,087.36

Finding the Fourth Proportional to 8,466.82, 12,708.44 and 4,087.36

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Solution

The fourth proportional to 8,466.82, 12,708.44 and 4,087.36 is: 6,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.82 : 12,708.44 = 4,087.36 : x
  2. Step 2: Convert to fraction form
    8,466.82/12,708.44 = 4,087.36/x
  3. Step 3: Cross multiply
    8,466.82x = 12,708.44 × 4,087.36
  4. Step 4: Simplify right side
    8,466.82x = 51,943,885.34
  5. Step 5: Solve for x
    x = 51,943,885.34/8,466.82
  6. Step 6: Final answer
    x = 6,134.99

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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.