Home / 8,584.14-12,870.81-3,319.14

Finding the Fourth Proportional to 8,584.14, 12,870.81 and 3,319.14

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Solution

The fourth proportional to 8,584.14, 12,870.81 and 3,319.14 is: 4,976.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584.14 : 12,870.81 = 3,319.14 : x
  2. Step 2: Convert to fraction form
    8,584.14/12,870.81 = 3,319.14/x
  3. Step 3: Cross multiply
    8,584.14x = 12,870.81 × 3,319.14
  4. Step 4: Simplify right side
    8,584.14x = 42,720,020.30
  5. Step 5: Solve for x
    x = 42,720,020.30/8,584.14
  6. Step 6: Final answer
    x = 4,976.62

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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.