Home / 8,565.39-12,840.28-3,297.03

Finding the Fourth Proportional to 8,565.39, 12,840.28 and 3,297.03

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Solution

The fourth proportional to 8,565.39, 12,840.28 and 3,297.03 is: 4,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.39 : 12,840.28 = 3,297.03 : x
  2. Step 2: Convert to fraction form
    8,565.39/12,840.28 = 3,297.03/x
  3. Step 3: Cross multiply
    8,565.39x = 12,840.28 × 3,297.03
  4. Step 4: Simplify right side
    8,565.39x = 42,334,788.37
  5. Step 5: Solve for x
    x = 42,334,788.37/8,565.39
  6. Step 6: Final answer
    x = 4,942.54

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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.