Home / 9,313.26-12,852.05-5,121.51

Finding the Fourth Proportional to 9,313.26, 12,852.05 and 5,121.51

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Solution

The fourth proportional to 9,313.26, 12,852.05 and 5,121.51 is: 7,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,313.26 : 12,852.05 = 5,121.51 : x
  2. Step 2: Convert to fraction form
    9,313.26/12,852.05 = 5,121.51/x
  3. Step 3: Cross multiply
    9,313.26x = 12,852.05 × 5,121.51
  4. Step 4: Simplify right side
    9,313.26x = 65,821,876.99
  5. Step 5: Solve for x
    x = 65,821,876.99/9,313.26
  6. Step 6: Final answer
    x = 7,067.54

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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.