Home / 9,212.12-13,815.51-2,636.54

Finding the Fourth Proportional to 9,212.12, 13,815.51 and 2,636.54

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Solution

The fourth proportional to 9,212.12, 13,815.51 and 2,636.54 is: 3,954.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.12 : 13,815.51 = 2,636.54 : x
  2. Step 2: Convert to fraction form
    9,212.12/13,815.51 = 2,636.54/x
  3. Step 3: Cross multiply
    9,212.12x = 13,815.51 × 2,636.54
  4. Step 4: Simplify right side
    9,212.12x = 36,425,144.74
  5. Step 5: Solve for x
    x = 36,425,144.74/9,212.12
  6. Step 6: Final answer
    x = 3,954.05

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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.