Home / 7,940.13-11,910.20-4,676.01

Finding the Fourth Proportional to 7,940.13, 11,910.20 and 4,676.01

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Solution

The fourth proportional to 7,940.13, 11,910.20 and 4,676.01 is: 7,014.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,940.13 : 11,910.20 = 4,676.01 : x
  2. Step 2: Convert to fraction form
    7,940.13/11,910.20 = 4,676.01/x
  3. Step 3: Cross multiply
    7,940.13x = 11,910.20 × 4,676.01
  4. Step 4: Simplify right side
    7,940.13x = 55,692,190.92
  5. Step 5: Solve for x
    x = 55,692,190.92/7,940.13
  6. Step 6: Final answer
    x = 7,014.02

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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.