Home / 8,314.11-12,473.03-3,120.03

Finding the Fourth Proportional to 8,314.11, 12,473.03 and 3,120.03

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Solution

The fourth proportional to 8,314.11, 12,473.03 and 3,120.03 is: 4,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314.11 : 12,473.03 = 3,120.03 : x
  2. Step 2: Convert to fraction form
    8,314.11/12,473.03 = 3,120.03/x
  3. Step 3: Cross multiply
    8,314.11x = 12,473.03 × 3,120.03
  4. Step 4: Simplify right side
    8,314.11x = 38,916,212.19
  5. Step 5: Solve for x
    x = 38,916,212.19/8,314.11
  6. Step 6: Final answer
    x = 4,680.74

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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.