Home / 10,928.25-16,392.42-4,002.75

Finding the Fourth Proportional to 10,928.25, 16,392.42 and 4,002.75

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Solution

The fourth proportional to 10,928.25, 16,392.42 and 4,002.75 is: 6,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,928.25 : 16,392.42 = 4,002.75 : x
  2. Step 2: Convert to fraction form
    10,928.25/16,392.42 = 4,002.75/x
  3. Step 3: Cross multiply
    10,928.25x = 16,392.42 × 4,002.75
  4. Step 4: Simplify right side
    10,928.25x = 65,614,759.16
  5. Step 5: Solve for x
    x = 65,614,759.16/10,928.25
  6. Step 6: Final answer
    x = 6,004.14

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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.