Home / 8,928.96-13,390.20-3,084

Finding the Fourth Proportional to 8,928.96, 13,390.20 and 3,084

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Solution

The fourth proportional to 8,928.96, 13,390.20 and 3,084 is: 4,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.96 : 13,390.20 = 3,084 : x
  2. Step 2: Convert to fraction form
    8,928.96/13,390.20 = 3,084/x
  3. Step 3: Cross multiply
    8,928.96x = 13,390.20 × 3,084
  4. Step 4: Simplify right side
    8,928.96x = 41,295,376.80
  5. Step 5: Solve for x
    x = 41,295,376.80/8,928.96
  6. Step 6: Final answer
    x = 4,624.88

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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.