Home / 8,487.14-12,735.66-3,556.37

Finding the Fourth Proportional to 8,487.14, 12,735.66 and 3,556.37

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Solution

The fourth proportional to 8,487.14, 12,735.66 and 3,556.37 is: 5,336.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,487.14 : 12,735.66 = 3,556.37 : x
  2. Step 2: Convert to fraction form
    8,487.14/12,735.66 = 3,556.37/x
  3. Step 3: Cross multiply
    8,487.14x = 12,735.66 × 3,556.37
  4. Step 4: Simplify right side
    8,487.14x = 45,292,655.48
  5. Step 5: Solve for x
    x = 45,292,655.48/8,487.14
  6. Step 6: Final answer
    x = 5,336.62

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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.