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Finding the Fourth Proportional to 8,869.66, 12,235.93 and 5,847.95

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Solution

The fourth proportional to 8,869.66, 12,235.93 and 5,847.95 is: 8,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.66 : 12,235.93 = 5,847.95 : x
  2. Step 2: Convert to fraction form
    8,869.66/12,235.93 = 5,847.95/x
  3. Step 3: Cross multiply
    8,869.66x = 12,235.93 × 5,847.95
  4. Step 4: Simplify right side
    8,869.66x = 71,555,106.84
  5. Step 5: Solve for x
    x = 71,555,106.84/8,869.66
  6. Step 6: Final answer
    x = 8,067.40

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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.