Home / 8,388.66-11,556.33-5,866.05

Finding the Fourth Proportional to 8,388.66, 11,556.33 and 5,866.05

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Solution

The fourth proportional to 8,388.66, 11,556.33 and 5,866.05 is: 8,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.66 : 11,556.33 = 5,866.05 : x
  2. Step 2: Convert to fraction form
    8,388.66/11,556.33 = 5,866.05/x
  3. Step 3: Cross multiply
    8,388.66x = 11,556.33 × 5,866.05
  4. Step 4: Simplify right side
    8,388.66x = 67,790,009.60
  5. Step 5: Solve for x
    x = 67,790,009.60/8,388.66
  6. Step 6: Final answer
    x = 8,081.15

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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.