Home / 6,493.06-9,739.56-2,113.60

Finding the Fourth Proportional to 6,493.06, 9,739.56 and 2,113.60

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Solution

The fourth proportional to 6,493.06, 9,739.56 and 2,113.60 is: 3,170.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,493.06 : 9,739.56 = 2,113.60 : x
  2. Step 2: Convert to fraction form
    6,493.06/9,739.56 = 2,113.60/x
  3. Step 3: Cross multiply
    6,493.06x = 9,739.56 × 2,113.60
  4. Step 4: Simplify right side
    6,493.06x = 20,585,534.02
  5. Step 5: Solve for x
    x = 20,585,534.02/6,493.06
  6. Step 6: Final answer
    x = 3,170.39

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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.