Home / 12,229.07-16,876.12-6,923.89

Finding the Fourth Proportional to 12,229.07, 16,876.12 and 6,923.89

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Solution

The fourth proportional to 12,229.07, 16,876.12 and 6,923.89 is: 9,554.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,229.07 : 16,876.12 = 6,923.89 : x
  2. Step 2: Convert to fraction form
    12,229.07/16,876.12 = 6,923.89/x
  3. Step 3: Cross multiply
    12,229.07x = 16,876.12 × 6,923.89
  4. Step 4: Simplify right side
    12,229.07x = 116,848,339.01
  5. Step 5: Solve for x
    x = 116,848,339.01/12,229.07
  6. Step 6: Final answer
    x = 9,554.97

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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.