Home / 11,994.93-16,551.85-6,690.09

Finding the Fourth Proportional to 11,994.93, 16,551.85 and 6,690.09

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Solution

The fourth proportional to 11,994.93, 16,551.85 and 6,690.09 is: 9,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,994.93 : 16,551.85 = 6,690.09 : x
  2. Step 2: Convert to fraction form
    11,994.93/16,551.85 = 6,690.09/x
  3. Step 3: Cross multiply
    11,994.93x = 16,551.85 × 6,690.09
  4. Step 4: Simplify right side
    11,994.93x = 110,733,332.72
  5. Step 5: Solve for x
    x = 110,733,332.72/11,994.93
  6. Step 6: Final answer
    x = 9,231.68

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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.