Home / 11,063.07-16,601.09-7,939.71

Finding the Fourth Proportional to 11,063.07, 16,601.09 and 7,939.71

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Solution

The fourth proportional to 11,063.07, 16,601.09 and 7,939.71 is: 11,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,063.07 : 16,601.09 = 7,939.71 : x
  2. Step 2: Convert to fraction form
    11,063.07/16,601.09 = 7,939.71/x
  3. Step 3: Cross multiply
    11,063.07x = 16,601.09 × 7,939.71
  4. Step 4: Simplify right side
    11,063.07x = 131,807,800.59
  5. Step 5: Solve for x
    x = 131,807,800.59/11,063.07
  6. Step 6: Final answer
    x = 11,914.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.