Home / 11,928.48-17,884.08-5,684.64

Finding the Fourth Proportional to 11,928.48, 17,884.08 and 5,684.64

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Solution

The fourth proportional to 11,928.48, 17,884.08 and 5,684.64 is: 8,522.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,928.48 : 17,884.08 = 5,684.64 : x
  2. Step 2: Convert to fraction form
    11,928.48/17,884.08 = 5,684.64/x
  3. Step 3: Cross multiply
    11,928.48x = 17,884.08 × 5,684.64
  4. Step 4: Simplify right side
    11,928.48x = 101,664,556.53
  5. Step 5: Solve for x
    x = 101,664,556.53/11,928.48
  6. Step 6: Final answer
    x = 8,522.84

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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.