Home / 11,324.60-16,975.20-5,087.60

Finding the Fourth Proportional to 11,324.60, 16,975.20 and 5,087.60

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Solution

The fourth proportional to 11,324.60, 16,975.20 and 5,087.60 is: 7,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,324.60 : 16,975.20 = 5,087.60 : x
  2. Step 2: Convert to fraction form
    11,324.60/16,975.20 = 5,087.60/x
  3. Step 3: Cross multiply
    11,324.60x = 16,975.20 × 5,087.60
  4. Step 4: Simplify right side
    11,324.60x = 86,363,027.52
  5. Step 5: Solve for x
    x = 86,363,027.52/11,324.60
  6. Step 6: Final answer
    x = 7,626.14

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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.