Home / 8,764.90-12,095.60-4,786.11

Finding the Fourth Proportional to 8,764.90, 12,095.60 and 4,786.11

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Solution

The fourth proportional to 8,764.90, 12,095.60 and 4,786.11 is: 6,604.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764.90 : 12,095.60 = 4,786.11 : x
  2. Step 2: Convert to fraction form
    8,764.90/12,095.60 = 4,786.11/x
  3. Step 3: Cross multiply
    8,764.90x = 12,095.60 × 4,786.11
  4. Step 4: Simplify right side
    8,764.90x = 57,890,872.12
  5. Step 5: Solve for x
    x = 57,890,872.12/8,764.90
  6. Step 6: Final answer
    x = 6,604.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.