Home / 12,115.44-16,717.59-6,737.45

Finding the Fourth Proportional to 12,115.44, 16,717.59 and 6,737.45

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Solution

The fourth proportional to 12,115.44, 16,717.59 and 6,737.45 is: 9,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115.44 : 16,717.59 = 6,737.45 : x
  2. Step 2: Convert to fraction form
    12,115.44/16,717.59 = 6,737.45/x
  3. Step 3: Cross multiply
    12,115.44x = 16,717.59 × 6,737.45
  4. Step 4: Simplify right side
    12,115.44x = 112,633,843.16
  5. Step 5: Solve for x
    x = 112,633,843.16/12,115.44
  6. Step 6: Final answer
    x = 9,296.72

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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.