Home / 6,845.94-9,447.38-3,702.12

Finding the Fourth Proportional to 6,845.94, 9,447.38 and 3,702.12

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Solution

The fourth proportional to 6,845.94, 9,447.38 and 3,702.12 is: 5,108.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.94 : 9,447.38 = 3,702.12 : x
  2. Step 2: Convert to fraction form
    6,845.94/9,447.38 = 3,702.12/x
  3. Step 3: Cross multiply
    6,845.94x = 9,447.38 × 3,702.12
  4. Step 4: Simplify right side
    6,845.94x = 34,975,334.45
  5. Step 5: Solve for x
    x = 34,975,334.45/6,845.94
  6. Step 6: Final answer
    x = 5,108.92

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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.