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Finding the Fourth Proportional to 12,170.94, 16,795.88 and 6,581.94

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Solution

The fourth proportional to 12,170.94, 16,795.88 and 6,581.94 is: 9,083.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.94 : 16,795.88 = 6,581.94 : x
  2. Step 2: Convert to fraction form
    12,170.94/16,795.88 = 6,581.94/x
  3. Step 3: Cross multiply
    12,170.94x = 16,795.88 × 6,581.94
  4. Step 4: Simplify right side
    12,170.94x = 110,549,474.41
  5. Step 5: Solve for x
    x = 110,549,474.41/12,170.94
  6. Step 6: Final answer
    x = 9,083.07

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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.