Home / 12,245.00-16,897.52-6,939.69

Finding the Fourth Proportional to 12,245.00, 16,897.52 and 6,939.69

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Solution

The fourth proportional to 12,245.00, 16,897.52 and 6,939.69 is: 9,576.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,245.00 : 16,897.52 = 6,939.69 : x
  2. Step 2: Convert to fraction form
    12,245.00/16,897.52 = 6,939.69/x
  3. Step 3: Cross multiply
    12,245.00x = 16,897.52 × 6,939.69
  4. Step 4: Simplify right side
    12,245.00x = 117,263,515.87
  5. Step 5: Solve for x
    x = 117,263,515.87/12,245.00
  6. Step 6: Final answer
    x = 9,576.44

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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.