Home / 11,166.62-16,751.55-9,212.90

Finding the Fourth Proportional to 11,166.62, 16,751.55 and 9,212.90

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Solution

The fourth proportional to 11,166.62, 16,751.55 and 9,212.90 is: 13,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.62 : 16,751.55 = 9,212.90 : x
  2. Step 2: Convert to fraction form
    11,166.62/16,751.55 = 9,212.90/x
  3. Step 3: Cross multiply
    11,166.62x = 16,751.55 × 9,212.90
  4. Step 4: Simplify right side
    11,166.62x = 154,330,355.00
  5. Step 5: Solve for x
    x = 154,330,355.00/11,166.62
  6. Step 6: Final answer
    x = 13,820.69

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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.