Home / 8,909.46-13,359.99-2,667.06

Finding the Fourth Proportional to 8,909.46, 13,359.99 and 2,667.06

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Solution

The fourth proportional to 8,909.46, 13,359.99 and 2,667.06 is: 3,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909.46 : 13,359.99 = 2,667.06 : x
  2. Step 2: Convert to fraction form
    8,909.46/13,359.99 = 2,667.06/x
  3. Step 3: Cross multiply
    8,909.46x = 13,359.99 × 2,667.06
  4. Step 4: Simplify right side
    8,909.46x = 35,631,894.93
  5. Step 5: Solve for x
    x = 35,631,894.93/8,909.46
  6. Step 6: Final answer
    x = 3,999.33

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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.