Home / 8,297.03-11,445.00-5,311.78

Finding the Fourth Proportional to 8,297.03, 11,445.00 and 5,311.78

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Solution

The fourth proportional to 8,297.03, 11,445.00 and 5,311.78 is: 7,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297.03 : 11,445.00 = 5,311.78 : x
  2. Step 2: Convert to fraction form
    8,297.03/11,445.00 = 5,311.78/x
  3. Step 3: Cross multiply
    8,297.03x = 11,445.00 × 5,311.78
  4. Step 4: Simplify right side
    8,297.03x = 60,793,273.57
  5. Step 5: Solve for x
    x = 60,793,273.57/8,297.03
  6. Step 6: Final answer
    x = 7,327.11

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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.