Home / 8,781.52-13,164.66-3,584.08

Finding the Fourth Proportional to 8,781.52, 13,164.66 and 3,584.08

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Solution

The fourth proportional to 8,781.52, 13,164.66 and 3,584.08 is: 5,373.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.52 : 13,164.66 = 3,584.08 : x
  2. Step 2: Convert to fraction form
    8,781.52/13,164.66 = 3,584.08/x
  3. Step 3: Cross multiply
    8,781.52x = 13,164.66 × 3,584.08
  4. Step 4: Simplify right side
    8,781.52x = 47,183,194.61
  5. Step 5: Solve for x
    x = 47,183,194.61/8,781.52
  6. Step 6: Final answer
    x = 5,373.01

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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.