Home / 12,962.21-19,446.40-4,197.12

Finding the Fourth Proportional to 12,962.21, 19,446.40 and 4,197.12

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Solution

The fourth proportional to 12,962.21, 19,446.40 and 4,197.12 is: 6,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,962.21 : 19,446.40 = 4,197.12 : x
  2. Step 2: Convert to fraction form
    12,962.21/19,446.40 = 4,197.12/x
  3. Step 3: Cross multiply
    12,962.21x = 19,446.40 × 4,197.12
  4. Step 4: Simplify right side
    12,962.21x = 81,618,874.37
  5. Step 5: Solve for x
    x = 81,618,874.37/12,962.21
  6. Step 6: Final answer
    x = 6,296.68

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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.