Home / 8,198.08-11,313.28-5,055.04

Finding the Fourth Proportional to 8,198.08, 11,313.28 and 5,055.04

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Solution

The fourth proportional to 8,198.08, 11,313.28 and 5,055.04 is: 6,975.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,198.08 : 11,313.28 = 5,055.04 : x
  2. Step 2: Convert to fraction form
    8,198.08/11,313.28 = 5,055.04/x
  3. Step 3: Cross multiply
    8,198.08x = 11,313.28 × 5,055.04
  4. Step 4: Simplify right side
    8,198.08x = 57,189,082.93
  5. Step 5: Solve for x
    x = 57,189,082.93/8,198.08
  6. Step 6: Final answer
    x = 6,975.91

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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.