Home / 7,072.02-9,749.25-4,969.62

Finding the Fourth Proportional to 7,072.02, 9,749.25 and 4,969.62

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Solution

The fourth proportional to 7,072.02, 9,749.25 and 4,969.62 is: 6,850.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.02 : 9,749.25 = 4,969.62 : x
  2. Step 2: Convert to fraction form
    7,072.02/9,749.25 = 4,969.62/x
  3. Step 3: Cross multiply
    7,072.02x = 9,749.25 × 4,969.62
  4. Step 4: Simplify right side
    7,072.02x = 48,450,067.79
  5. Step 5: Solve for x
    x = 48,450,067.79/7,072.02
  6. Step 6: Final answer
    x = 6,850.95

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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.