Home / 6,899.64-10,347.68-3,198.24

Finding the Fourth Proportional to 6,899.64, 10,347.68 and 3,198.24

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Solution

The fourth proportional to 6,899.64, 10,347.68 and 3,198.24 is: 4,796.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899.64 : 10,347.68 = 3,198.24 : x
  2. Step 2: Convert to fraction form
    6,899.64/10,347.68 = 3,198.24/x
  3. Step 3: Cross multiply
    6,899.64x = 10,347.68 × 3,198.24
  4. Step 4: Simplify right side
    6,899.64x = 33,094,364.08
  5. Step 5: Solve for x
    x = 33,094,364.08/6,899.64
  6. Step 6: Final answer
    x = 4,796.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.