Home / 6,847.73-9,441.31-5,715.04

Finding the Fourth Proportional to 6,847.73, 9,441.31 and 5,715.04

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Solution

The fourth proportional to 6,847.73, 9,441.31 and 5,715.04 is: 7,879.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.73 : 9,441.31 = 5,715.04 : x
  2. Step 2: Convert to fraction form
    6,847.73/9,441.31 = 5,715.04/x
  3. Step 3: Cross multiply
    6,847.73x = 9,441.31 × 5,715.04
  4. Step 4: Simplify right side
    6,847.73x = 53,957,464.30
  5. Step 5: Solve for x
    x = 53,957,464.30/6,847.73
  6. Step 6: Final answer
    x = 7,879.61

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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.