Home / 8,786.92-13,168.68-3,235.14

Finding the Fourth Proportional to 8,786.92, 13,168.68 and 3,235.14

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Solution

The fourth proportional to 8,786.92, 13,168.68 and 3,235.14 is: 4,848.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,786.92 : 13,168.68 = 3,235.14 : x
  2. Step 2: Convert to fraction form
    8,786.92/13,168.68 = 3,235.14/x
  3. Step 3: Cross multiply
    8,786.92x = 13,168.68 × 3,235.14
  4. Step 4: Simplify right side
    8,786.92x = 42,602,523.42
  5. Step 5: Solve for x
    x = 42,602,523.42/8,786.92
  6. Step 6: Final answer
    x = 4,848.40

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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.