Home / 11,994.90-16,552.60-6,690.62

Finding the Fourth Proportional to 11,994.90, 16,552.60 and 6,690.62

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Solution

The fourth proportional to 11,994.90, 16,552.60 and 6,690.62 is: 9,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.90 : 16,552.60 = 6,690.62 : x
  2. Step 2: Convert to fraction form
    11,994.90/16,552.60 = 6,690.62/x
  3. Step 3: Cross multiply
    11,994.90x = 16,552.60 × 6,690.62
  4. Step 4: Simplify right side
    11,994.90x = 110,747,057.12
  5. Step 5: Solve for x
    x = 110,747,057.12/11,994.90
  6. Step 6: Final answer
    x = 9,232.85

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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.