Home / 6,966.21-10,449.20-2,806.12

Finding the Fourth Proportional to 6,966.21, 10,449.20 and 2,806.12

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Solution

The fourth proportional to 6,966.21, 10,449.20 and 2,806.12 is: 4,209.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.21 : 10,449.20 = 2,806.12 : x
  2. Step 2: Convert to fraction form
    6,966.21/10,449.20 = 2,806.12/x
  3. Step 3: Cross multiply
    6,966.21x = 10,449.20 × 2,806.12
  4. Step 4: Simplify right side
    6,966.21x = 29,321,690.00
  5. Step 5: Solve for x
    x = 29,321,690.00/6,966.21
  6. Step 6: Final answer
    x = 4,209.13

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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.