Home / 6,729.20-10,079.40-5,999.60

Finding the Fourth Proportional to 6,729.20, 10,079.40 and 5,999.60

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Solution

The fourth proportional to 6,729.20, 10,079.40 and 5,999.60 is: 8,986.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,729.20 : 10,079.40 = 5,999.60 : x
  2. Step 2: Convert to fraction form
    6,729.20/10,079.40 = 5,999.60/x
  3. Step 3: Cross multiply
    6,729.20x = 10,079.40 × 5,999.60
  4. Step 4: Simplify right side
    6,729.20x = 60,472,368.24
  5. Step 5: Solve for x
    x = 60,472,368.24/6,729.20
  6. Step 6: Final answer
    x = 8,986.56

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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.