Home / 11,080.24-15,296.37-8,556.68

Finding the Fourth Proportional to 11,080.24, 15,296.37 and 8,556.68

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Solution

The fourth proportional to 11,080.24, 15,296.37 and 8,556.68 is: 11,812.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,080.24 : 15,296.37 = 8,556.68 : x
  2. Step 2: Convert to fraction form
    11,080.24/15,296.37 = 8,556.68/x
  3. Step 3: Cross multiply
    11,080.24x = 15,296.37 × 8,556.68
  4. Step 4: Simplify right side
    11,080.24x = 130,886,143.25
  5. Step 5: Solve for x
    x = 130,886,143.25/11,080.24
  6. Step 6: Final answer
    x = 11,812.58

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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.