Home / 7,243.10-10,866.82-4,162.94

Finding the Fourth Proportional to 7,243.10, 10,866.82 and 4,162.94

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Solution

The fourth proportional to 7,243.10, 10,866.82 and 4,162.94 is: 6,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,243.10 : 10,866.82 = 4,162.94 : x
  2. Step 2: Convert to fraction form
    7,243.10/10,866.82 = 4,162.94/x
  3. Step 3: Cross multiply
    7,243.10x = 10,866.82 × 4,162.94
  4. Step 4: Simplify right side
    7,243.10x = 45,237,919.65
  5. Step 5: Solve for x
    x = 45,237,919.65/7,243.10
  6. Step 6: Final answer
    x = 6,245.66

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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.