Home / 11,842.08-17,763.09-11,120.34

Finding the Fourth Proportional to 11,842.08, 17,763.09 and 11,120.34

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Solution

The fourth proportional to 11,842.08, 17,763.09 and 11,120.34 is: 16,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,842.08 : 17,763.09 = 11,120.34 : x
  2. Step 2: Convert to fraction form
    11,842.08/17,763.09 = 11,120.34/x
  3. Step 3: Cross multiply
    11,842.08x = 17,763.09 × 11,120.34
  4. Step 4: Simplify right side
    11,842.08x = 197,531,600.25
  5. Step 5: Solve for x
    x = 197,531,600.25/11,842.08
  6. Step 6: Final answer
    x = 16,680.48

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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.