Home / 8,265.22-11,400.16-4,905.34

Finding the Fourth Proportional to 8,265.22, 11,400.16 and 4,905.34

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Solution

The fourth proportional to 8,265.22, 11,400.16 and 4,905.34 is: 6,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265.22 : 11,400.16 = 4,905.34 : x
  2. Step 2: Convert to fraction form
    8,265.22/11,400.16 = 4,905.34/x
  3. Step 3: Cross multiply
    8,265.22x = 11,400.16 × 4,905.34
  4. Step 4: Simplify right side
    8,265.22x = 55,921,660.85
  5. Step 5: Solve for x
    x = 55,921,660.85/8,265.22
  6. Step 6: Final answer
    x = 6,765.90

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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.