Home / 11,897.05-17,853.80-4,105.89

Finding the Fourth Proportional to 11,897.05, 17,853.80 and 4,105.89

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Solution

The fourth proportional to 11,897.05, 17,853.80 and 4,105.89 is: 6,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.05 : 17,853.80 = 4,105.89 : x
  2. Step 2: Convert to fraction form
    11,897.05/17,853.80 = 4,105.89/x
  3. Step 3: Cross multiply
    11,897.05x = 17,853.80 × 4,105.89
  4. Step 4: Simplify right side
    11,897.05x = 73,305,718.35
  5. Step 5: Solve for x
    x = 73,305,718.35/11,897.05
  6. Step 6: Final answer
    x = 6,161.67

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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.