Home / 8,145.44-11,238.84-4,607.88

Finding the Fourth Proportional to 8,145.44, 11,238.84 and 4,607.88

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Solution

The fourth proportional to 8,145.44, 11,238.84 and 4,607.88 is: 6,357.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.44 : 11,238.84 = 4,607.88 : x
  2. Step 2: Convert to fraction form
    8,145.44/11,238.84 = 4,607.88/x
  3. Step 3: Cross multiply
    8,145.44x = 11,238.84 × 4,607.88
  4. Step 4: Simplify right side
    8,145.44x = 51,787,226.06
  5. Step 5: Solve for x
    x = 51,787,226.06/8,145.44
  6. Step 6: Final answer
    x = 6,357.82

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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.