Home / 6,181.12-8,533.92-5,516.83

Finding the Fourth Proportional to 6,181.12, 8,533.92 and 5,516.83

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Solution

The fourth proportional to 6,181.12, 8,533.92 and 5,516.83 is: 7,616.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,181.12 : 8,533.92 = 5,516.83 : x
  2. Step 2: Convert to fraction form
    6,181.12/8,533.92 = 5,516.83/x
  3. Step 3: Cross multiply
    6,181.12x = 8,533.92 × 5,516.83
  4. Step 4: Simplify right side
    6,181.12x = 47,080,185.87
  5. Step 5: Solve for x
    x = 47,080,185.87/6,181.12
  6. Step 6: Final answer
    x = 7,616.77

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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.