Home / 12,042.55-16,618.75-6,737.46

Finding the Fourth Proportional to 12,042.55, 16,618.75 and 6,737.46

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Solution

The fourth proportional to 12,042.55, 16,618.75 and 6,737.46 is: 9,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.55 : 16,618.75 = 6,737.46 : x
  2. Step 2: Convert to fraction form
    12,042.55/16,618.75 = 6,737.46/x
  3. Step 3: Cross multiply
    12,042.55x = 16,618.75 × 6,737.46
  4. Step 4: Simplify right side
    12,042.55x = 111,968,163.38
  5. Step 5: Solve for x
    x = 111,968,163.38/12,042.55
  6. Step 6: Final answer
    x = 9,297.71

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.