Home / 8,202.30-11,319.03-4,665.66

Finding the Fourth Proportional to 8,202.30, 11,319.03 and 4,665.66

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Solution

The fourth proportional to 8,202.30, 11,319.03 and 4,665.66 is: 6,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.30 : 11,319.03 = 4,665.66 : x
  2. Step 2: Convert to fraction form
    8,202.30/11,319.03 = 4,665.66/x
  3. Step 3: Cross multiply
    8,202.30x = 11,319.03 × 4,665.66
  4. Step 4: Simplify right side
    8,202.30x = 52,810,745.51
  5. Step 5: Solve for x
    x = 52,810,745.51/8,202.30
  6. Step 6: Final answer
    x = 6,438.53

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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.