Home / 6,770.80-10,156.20-6,727.60

Finding the Fourth Proportional to 6,770.80, 10,156.20 and 6,727.60

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Solution

The fourth proportional to 6,770.80, 10,156.20 and 6,727.60 is: 10,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,770.80 : 10,156.20 = 6,727.60 : x
  2. Step 2: Convert to fraction form
    6,770.80/10,156.20 = 6,727.60/x
  3. Step 3: Cross multiply
    6,770.80x = 10,156.20 × 6,727.60
  4. Step 4: Simplify right side
    6,770.80x = 68,326,851.12
  5. Step 5: Solve for x
    x = 68,326,851.12/6,770.80
  6. Step 6: Final answer
    x = 10,091.40

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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.