Home / 8,860.96-12,226.44-5,322.88

Finding the Fourth Proportional to 8,860.96, 12,226.44 and 5,322.88

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Solution

The fourth proportional to 8,860.96, 12,226.44 and 5,322.88 is: 7,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.96 : 12,226.44 = 5,322.88 : x
  2. Step 2: Convert to fraction form
    8,860.96/12,226.44 = 5,322.88/x
  3. Step 3: Cross multiply
    8,860.96x = 12,226.44 × 5,322.88
  4. Step 4: Simplify right side
    8,860.96x = 65,079,872.95
  5. Step 5: Solve for x
    x = 65,079,872.95/8,860.96
  6. Step 6: Final answer
    x = 7,344.56

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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.