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Finding the Fourth Proportional to 8,273.40, 12,410.08 and 2,117.40

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Solution

The fourth proportional to 8,273.40, 12,410.08 and 2,117.40 is: 3,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,273.40 : 12,410.08 = 2,117.40 : x
  2. Step 2: Convert to fraction form
    8,273.40/12,410.08 = 2,117.40/x
  3. Step 3: Cross multiply
    8,273.40x = 12,410.08 × 2,117.40
  4. Step 4: Simplify right side
    8,273.40x = 26,277,103.39
  5. Step 5: Solve for x
    x = 26,277,103.39/8,273.40
  6. Step 6: Final answer
    x = 3,176.09

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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.