Home / 6,847.29-9,449.87-3,862.98

Finding the Fourth Proportional to 6,847.29, 9,449.87 and 3,862.98

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Solution

The fourth proportional to 6,847.29, 9,449.87 and 3,862.98 is: 5,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,847.29 : 9,449.87 = 3,862.98 : x
  2. Step 2: Convert to fraction form
    6,847.29/9,449.87 = 3,862.98/x
  3. Step 3: Cross multiply
    6,847.29x = 9,449.87 × 3,862.98
  4. Step 4: Simplify right side
    6,847.29x = 36,504,639.50
  5. Step 5: Solve for x
    x = 36,504,639.50/6,847.29
  6. Step 6: Final answer
    x = 5,331.25

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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.