Home / 9,057.80-13,556.46-5,161.16

Finding the Fourth Proportional to 9,057.80, 13,556.46 and 5,161.16

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Solution

The fourth proportional to 9,057.80, 13,556.46 and 5,161.16 is: 7,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.80 : 13,556.46 = 5,161.16 : x
  2. Step 2: Convert to fraction form
    9,057.80/13,556.46 = 5,161.16/x
  3. Step 3: Cross multiply
    9,057.80x = 13,556.46 × 5,161.16
  4. Step 4: Simplify right side
    9,057.80x = 69,967,059.09
  5. Step 5: Solve for x
    x = 69,967,059.09/9,057.80
  6. Step 6: Final answer
    x = 7,724.51

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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.