Home / 8,468.21-11,682.24-5,485.04

Finding the Fourth Proportional to 8,468.21, 11,682.24 and 5,485.04

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Solution

The fourth proportional to 8,468.21, 11,682.24 and 5,485.04 is: 7,566.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.21 : 11,682.24 = 5,485.04 : x
  2. Step 2: Convert to fraction form
    8,468.21/11,682.24 = 5,485.04/x
  3. Step 3: Cross multiply
    8,468.21x = 11,682.24 × 5,485.04
  4. Step 4: Simplify right side
    8,468.21x = 64,077,553.69
  5. Step 5: Solve for x
    x = 64,077,553.69/8,468.21
  6. Step 6: Final answer
    x = 7,566.84

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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.