Home / 8,724.60-13,086.52-2,150.44

Finding the Fourth Proportional to 8,724.60, 13,086.52 and 2,150.44

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Solution

The fourth proportional to 8,724.60, 13,086.52 and 2,150.44 is: 3,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.60 : 13,086.52 = 2,150.44 : x
  2. Step 2: Convert to fraction form
    8,724.60/13,086.52 = 2,150.44/x
  3. Step 3: Cross multiply
    8,724.60x = 13,086.52 × 2,150.44
  4. Step 4: Simplify right side
    8,724.60x = 28,141,776.07
  5. Step 5: Solve for x
    x = 28,141,776.07/8,724.60
  6. Step 6: Final answer
    x = 3,225.57

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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.