Home / 7,922.10-11,884.73-3,539.55

Finding the Fourth Proportional to 7,922.10, 11,884.73 and 3,539.55

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Solution

The fourth proportional to 7,922.10, 11,884.73 and 3,539.55 is: 5,310.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.10 : 11,884.73 = 3,539.55 : x
  2. Step 2: Convert to fraction form
    7,922.10/11,884.73 = 3,539.55/x
  3. Step 3: Cross multiply
    7,922.10x = 11,884.73 × 3,539.55
  4. Step 4: Simplify right side
    7,922.10x = 42,066,556.09
  5. Step 5: Solve for x
    x = 42,066,556.09/7,922.10
  6. Step 6: Final answer
    x = 5,310.02

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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.