Home / 11,766.60-16,238.30-6,730.43

Finding the Fourth Proportional to 11,766.60, 16,238.30 and 6,730.43

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Solution

The fourth proportional to 11,766.60, 16,238.30 and 6,730.43 is: 9,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,766.60 : 16,238.30 = 6,730.43 : x
  2. Step 2: Convert to fraction form
    11,766.60/16,238.30 = 6,730.43/x
  3. Step 3: Cross multiply
    11,766.60x = 16,238.30 × 6,730.43
  4. Step 4: Simplify right side
    11,766.60x = 109,290,626.63
  5. Step 5: Solve for x
    x = 109,290,626.63/11,766.60
  6. Step 6: Final answer
    x = 9,288.21

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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.