Home / 12,226.03-18,338.86-3,905.93

Finding the Fourth Proportional to 12,226.03, 18,338.86 and 3,905.93

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Solution

The fourth proportional to 12,226.03, 18,338.86 and 3,905.93 is: 5,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.03 : 18,338.86 = 3,905.93 : x
  2. Step 2: Convert to fraction form
    12,226.03/18,338.86 = 3,905.93/x
  3. Step 3: Cross multiply
    12,226.03x = 18,338.86 × 3,905.93
  4. Step 4: Simplify right side
    12,226.03x = 71,630,354.17
  5. Step 5: Solve for x
    x = 71,630,354.17/12,226.03
  6. Step 6: Final answer
    x = 5,858.84

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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.