Home / 6,606.21-9,911.34-2,223.30

Finding the Fourth Proportional to 6,606.21, 9,911.34 and 2,223.30

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Solution

The fourth proportional to 6,606.21, 9,911.34 and 2,223.30 is: 3,335.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.21 : 9,911.34 = 2,223.30 : x
  2. Step 2: Convert to fraction form
    6,606.21/9,911.34 = 2,223.30/x
  3. Step 3: Cross multiply
    6,606.21x = 9,911.34 × 2,223.30
  4. Step 4: Simplify right side
    6,606.21x = 22,035,882.22
  5. Step 5: Solve for x
    x = 22,035,882.22/6,606.21
  6. Step 6: Final answer
    x = 3,335.63

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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.