Home / 8,072.53-12,110.42-2,878.27

Finding the Fourth Proportional to 8,072.53, 12,110.42 and 2,878.27

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Solution

The fourth proportional to 8,072.53, 12,110.42 and 2,878.27 is: 4,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.53 : 12,110.42 = 2,878.27 : x
  2. Step 2: Convert to fraction form
    8,072.53/12,110.42 = 2,878.27/x
  3. Step 3: Cross multiply
    8,072.53x = 12,110.42 × 2,878.27
  4. Step 4: Simplify right side
    8,072.53x = 34,857,058.57
  5. Step 5: Solve for x
    x = 34,857,058.57/8,072.53
  6. Step 6: Final answer
    x = 4,317.98

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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.