Home / 7,994.20-11,993.10-4,705.60

Finding the Fourth Proportional to 7,994.20, 11,993.10 and 4,705.60

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Solution

The fourth proportional to 7,994.20, 11,993.10 and 4,705.60 is: 7,059.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,994.20 : 11,993.10 = 4,705.60 : x
  2. Step 2: Convert to fraction form
    7,994.20/11,993.10 = 4,705.60/x
  3. Step 3: Cross multiply
    7,994.20x = 11,993.10 × 4,705.60
  4. Step 4: Simplify right side
    7,994.20x = 56,434,731.36
  5. Step 5: Solve for x
    x = 56,434,731.36/7,994.20
  6. Step 6: Final answer
    x = 7,059.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.