Home / 6,846.60-9,448.34-3,702.78

Finding the Fourth Proportional to 6,846.60, 9,448.34 and 3,702.78

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Solution

The fourth proportional to 6,846.60, 9,448.34 and 3,702.78 is: 5,109.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,846.60 : 9,448.34 = 3,702.78 : x
  2. Step 2: Convert to fraction form
    6,846.60/9,448.34 = 3,702.78/x
  3. Step 3: Cross multiply
    6,846.60x = 9,448.34 × 3,702.78
  4. Step 4: Simplify right side
    6,846.60x = 34,985,105.87
  5. Step 5: Solve for x
    x = 34,985,105.87/6,846.60
  6. Step 6: Final answer
    x = 5,109.85

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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.