Home / 11,902.64-17,854.09-4,109.63

Finding the Fourth Proportional to 11,902.64, 17,854.09 and 4,109.63

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Solution

The fourth proportional to 11,902.64, 17,854.09 and 4,109.63 is: 6,164.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,902.64 : 17,854.09 = 4,109.63 : x
  2. Step 2: Convert to fraction form
    11,902.64/17,854.09 = 4,109.63/x
  3. Step 3: Cross multiply
    11,902.64x = 17,854.09 × 4,109.63
  4. Step 4: Simplify right side
    11,902.64x = 73,373,604.34
  5. Step 5: Solve for x
    x = 73,373,604.34/11,902.64
  6. Step 6: Final answer
    x = 6,164.48

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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.