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Finding the Fourth Proportional to 12,114.51, 16,718.23 and 6,737.39

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Solution

The fourth proportional to 12,114.51, 16,718.23 and 6,737.39 is: 9,297.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,114.51 : 16,718.23 = 6,737.39 : x
  2. Step 2: Convert to fraction form
    12,114.51/16,718.23 = 6,737.39/x
  3. Step 3: Cross multiply
    12,114.51x = 16,718.23 × 6,737.39
  4. Step 4: Simplify right side
    12,114.51x = 112,637,235.62
  5. Step 5: Solve for x
    x = 112,637,235.62/12,114.51
  6. Step 6: Final answer
    x = 9,297.71

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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.