Home / 8,262.10-11,401.75-4,485.33

Finding the Fourth Proportional to 8,262.10, 11,401.75 and 4,485.33

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Solution

The fourth proportional to 8,262.10, 11,401.75 and 4,485.33 is: 6,189.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.10 : 11,401.75 = 4,485.33 : x
  2. Step 2: Convert to fraction form
    8,262.10/11,401.75 = 4,485.33/x
  3. Step 3: Cross multiply
    8,262.10x = 11,401.75 × 4,485.33
  4. Step 4: Simplify right side
    8,262.10x = 51,140,611.33
  5. Step 5: Solve for x
    x = 51,140,611.33/8,262.10
  6. Step 6: Final answer
    x = 6,189.78

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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.