Home / 7,973.22-11,958.30-2,130.30

Finding the Fourth Proportional to 7,973.22, 11,958.30 and 2,130.30

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Solution

The fourth proportional to 7,973.22, 11,958.30 and 2,130.30 is: 3,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.22 : 11,958.30 = 2,130.30 : x
  2. Step 2: Convert to fraction form
    7,973.22/11,958.30 = 2,130.30/x
  3. Step 3: Cross multiply
    7,973.22x = 11,958.30 × 2,130.30
  4. Step 4: Simplify right side
    7,973.22x = 25,474,766.49
  5. Step 5: Solve for x
    x = 25,474,766.49/7,973.22
  6. Step 6: Final answer
    x = 3,195.04

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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.