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Finding the Fourth Proportional to 12,093.80, 16,690.19 and 8,053.70

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Solution

The fourth proportional to 12,093.80, 16,690.19 and 8,053.70 is: 11,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093.80 : 16,690.19 = 8,053.70 : x
  2. Step 2: Convert to fraction form
    12,093.80/16,690.19 = 8,053.70/x
  3. Step 3: Cross multiply
    12,093.80x = 16,690.19 × 8,053.70
  4. Step 4: Simplify right side
    12,093.80x = 134,417,659.48
  5. Step 5: Solve for x
    x = 134,417,659.48/12,093.80
  6. Step 6: Final answer
    x = 11,114.60

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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.