Home / 12,737.44-17,583.60-8,495.56

Finding the Fourth Proportional to 12,737.44, 17,583.60 and 8,495.56

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Solution

The fourth proportional to 12,737.44, 17,583.60 and 8,495.56 is: 11,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.44 : 17,583.60 = 8,495.56 : x
  2. Step 2: Convert to fraction form
    12,737.44/17,583.60 = 8,495.56/x
  3. Step 3: Cross multiply
    12,737.44x = 17,583.60 × 8,495.56
  4. Step 4: Simplify right side
    12,737.44x = 149,382,528.82
  5. Step 5: Solve for x
    x = 149,382,528.82/12,737.44
  6. Step 6: Final answer
    x = 11,727.83

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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.