Home / 8,252.15-12,378.20-2,012.09

Finding the Fourth Proportional to 8,252.15, 12,378.20 and 2,012.09

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Solution

The fourth proportional to 8,252.15, 12,378.20 and 2,012.09 is: 3,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.15 : 12,378.20 = 2,012.09 : x
  2. Step 2: Convert to fraction form
    8,252.15/12,378.20 = 2,012.09/x
  3. Step 3: Cross multiply
    8,252.15x = 12,378.20 × 2,012.09
  4. Step 4: Simplify right side
    8,252.15x = 24,905,980.49
  5. Step 5: Solve for x
    x = 24,905,980.49/8,252.15
  6. Step 6: Final answer
    x = 3,018.12

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1.5x scale

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.