Home / 12,786.08-19,179.16-4,466.04

Finding the Fourth Proportional to 12,786.08, 19,179.16 and 4,466.04

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Solution

The fourth proportional to 12,786.08, 19,179.16 and 4,466.04 is: 6,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786.08 : 19,179.16 = 4,466.04 : x
  2. Step 2: Convert to fraction form
    12,786.08/19,179.16 = 4,466.04/x
  3. Step 3: Cross multiply
    12,786.08x = 19,179.16 × 4,466.04
  4. Step 4: Simplify right side
    12,786.08x = 85,654,895.73
  5. Step 5: Solve for x
    x = 85,654,895.73/12,786.08
  6. Step 6: Final answer
    x = 6,699.07

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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.