Home / 10,144.90-13,998.18-5,667.22

Finding the Fourth Proportional to 10,144.90, 13,998.18 and 5,667.22

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Solution

The fourth proportional to 10,144.90, 13,998.18 and 5,667.22 is: 7,819.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,144.90 : 13,998.18 = 5,667.22 : x
  2. Step 2: Convert to fraction form
    10,144.90/13,998.18 = 5,667.22/x
  3. Step 3: Cross multiply
    10,144.90x = 13,998.18 × 5,667.22
  4. Step 4: Simplify right side
    10,144.90x = 79,330,765.66
  5. Step 5: Solve for x
    x = 79,330,765.66/10,144.90
  6. Step 6: Final answer
    x = 7,819.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.