Home / 9,514.92-13,129.80-5,481.54

Finding the Fourth Proportional to 9,514.92, 13,129.80 and 5,481.54

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Solution

The fourth proportional to 9,514.92, 13,129.80 and 5,481.54 is: 7,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,514.92 : 13,129.80 = 5,481.54 : x
  2. Step 2: Convert to fraction form
    9,514.92/13,129.80 = 5,481.54/x
  3. Step 3: Cross multiply
    9,514.92x = 13,129.80 × 5,481.54
  4. Step 4: Simplify right side
    9,514.92x = 71,971,523.89
  5. Step 5: Solve for x
    x = 71,971,523.89/9,514.92
  6. Step 6: Final answer
    x = 7,564.07

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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.