Home / 11,910.03-17,865.05-4,114.59

Finding the Fourth Proportional to 11,910.03, 17,865.05 and 4,114.59

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Solution

The fourth proportional to 11,910.03, 17,865.05 and 4,114.59 is: 6,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910.03 : 17,865.05 = 4,114.59 : x
  2. Step 2: Convert to fraction form
    11,910.03/17,865.05 = 4,114.59/x
  3. Step 3: Cross multiply
    11,910.03x = 17,865.05 × 4,114.59
  4. Step 4: Simplify right side
    11,910.03x = 73,507,335.51
  5. Step 5: Solve for x
    x = 73,507,335.51/11,910.03
  6. Step 6: Final answer
    x = 6,171.89

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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.