Home / 12,226.62-18,339.93-5,651.58

Finding the Fourth Proportional to 12,226.62, 18,339.93 and 5,651.58

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Solution

The fourth proportional to 12,226.62, 18,339.93 and 5,651.58 is: 8,477.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.62 : 18,339.93 = 5,651.58 : x
  2. Step 2: Convert to fraction form
    12,226.62/18,339.93 = 5,651.58/x
  3. Step 3: Cross multiply
    12,226.62x = 18,339.93 × 5,651.58
  4. Step 4: Simplify right side
    12,226.62x = 103,649,581.59
  5. Step 5: Solve for x
    x = 103,649,581.59/12,226.62
  6. Step 6: Final answer
    x = 8,477.37

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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.