Home / 8,169.96-11,271.30-5,336.44

Finding the Fourth Proportional to 8,169.96, 11,271.30 and 5,336.44

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Solution

The fourth proportional to 8,169.96, 11,271.30 and 5,336.44 is: 7,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.96 : 11,271.30 = 5,336.44 : x
  2. Step 2: Convert to fraction form
    8,169.96/11,271.30 = 5,336.44/x
  3. Step 3: Cross multiply
    8,169.96x = 11,271.30 × 5,336.44
  4. Step 4: Simplify right side
    8,169.96x = 60,148,616.17
  5. Step 5: Solve for x
    x = 60,148,616.17/8,169.96
  6. Step 6: Final answer
    x = 7,362.17

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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.