Home / 8,052.15-12,071.03-3,120.15

Finding the Fourth Proportional to 8,052.15, 12,071.03 and 3,120.15

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Solution

The fourth proportional to 8,052.15, 12,071.03 and 3,120.15 is: 4,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.15 : 12,071.03 = 3,120.15 : x
  2. Step 2: Convert to fraction form
    8,052.15/12,071.03 = 3,120.15/x
  3. Step 3: Cross multiply
    8,052.15x = 12,071.03 × 3,120.15
  4. Step 4: Simplify right side
    8,052.15x = 37,663,408.65
  5. Step 5: Solve for x
    x = 37,663,408.65/8,052.15
  6. Step 6: Final answer
    x = 4,677.44

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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.