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Finding the Fourth Proportional to 8,846.63, 12,208.55 and 4,867.84

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Solution

The fourth proportional to 8,846.63, 12,208.55 and 4,867.84 is: 6,717.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,846.63 : 12,208.55 = 4,867.84 : x
  2. Step 2: Convert to fraction form
    8,846.63/12,208.55 = 4,867.84/x
  3. Step 3: Cross multiply
    8,846.63x = 12,208.55 × 4,867.84
  4. Step 4: Simplify right side
    8,846.63x = 59,429,268.03
  5. Step 5: Solve for x
    x = 59,429,268.03/8,846.63
  6. Step 6: Final answer
    x = 6,717.73

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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.