Home / 7,311.98-10,091.46-4,796.20

Finding the Fourth Proportional to 7,311.98, 10,091.46 and 4,796.20

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Solution

The fourth proportional to 7,311.98, 10,091.46 and 4,796.20 is: 6,619.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.98 : 10,091.46 = 4,796.20 : x
  2. Step 2: Convert to fraction form
    7,311.98/10,091.46 = 4,796.20/x
  3. Step 3: Cross multiply
    7,311.98x = 10,091.46 × 4,796.20
  4. Step 4: Simplify right side
    7,311.98x = 48,400,660.45
  5. Step 5: Solve for x
    x = 48,400,660.45/7,311.98
  6. Step 6: Final answer
    x = 6,619.36

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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.