Home / 8,286.21-11,421.69-5,596.58

Finding the Fourth Proportional to 8,286.21, 11,421.69 and 5,596.58

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Solution

The fourth proportional to 8,286.21, 11,421.69 and 5,596.58 is: 7,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.21 : 11,421.69 = 5,596.58 : x
  2. Step 2: Convert to fraction form
    8,286.21/11,421.69 = 5,596.58/x
  3. Step 3: Cross multiply
    8,286.21x = 11,421.69 × 5,596.58
  4. Step 4: Simplify right side
    8,286.21x = 63,922,466.85
  5. Step 5: Solve for x
    x = 63,922,466.85/8,286.21
  6. Step 6: Final answer
    x = 7,714.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.