Home / 6,738.20-10,097.70-4,969.40

Finding the Fourth Proportional to 6,738.20, 10,097.70 and 4,969.40

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Solution

The fourth proportional to 6,738.20, 10,097.70 and 4,969.40 is: 7,447.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.20 : 10,097.70 = 4,969.40 : x
  2. Step 2: Convert to fraction form
    6,738.20/10,097.70 = 4,969.40/x
  3. Step 3: Cross multiply
    6,738.20x = 10,097.70 × 4,969.40
  4. Step 4: Simplify right side
    6,738.20x = 50,179,510.38
  5. Step 5: Solve for x
    x = 50,179,510.38/6,738.20
  6. Step 6: Final answer
    x = 7,447.02

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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.