Home / 8,117.44-12,174.30-2,274.64

Finding the Fourth Proportional to 8,117.44, 12,174.30 and 2,274.64

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Solution

The fourth proportional to 8,117.44, 12,174.30 and 2,274.64 is: 3,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117.44 : 12,174.30 = 2,274.64 : x
  2. Step 2: Convert to fraction form
    8,117.44/12,174.30 = 2,274.64/x
  3. Step 3: Cross multiply
    8,117.44x = 12,174.30 × 2,274.64
  4. Step 4: Simplify right side
    8,117.44x = 27,692,149.75
  5. Step 5: Solve for x
    x = 27,692,149.75/8,117.44
  6. Step 6: Final answer
    x = 3,411.44

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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.