Home / 12,010.83-18,014.86-3,246.43

Finding the Fourth Proportional to 12,010.83, 18,014.86 and 3,246.43

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Solution

The fourth proportional to 12,010.83, 18,014.86 and 3,246.43 is: 4,869.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,010.83 : 18,014.86 = 3,246.43 : x
  2. Step 2: Convert to fraction form
    12,010.83/18,014.86 = 3,246.43/x
  3. Step 3: Cross multiply
    12,010.83x = 18,014.86 × 3,246.43
  4. Step 4: Simplify right side
    12,010.83x = 58,483,956.49
  5. Step 5: Solve for x
    x = 58,483,956.49/12,010.83
  6. Step 6: Final answer
    x = 4,869.27

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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.