Home / 11,724.58-16,181.22-6,690.04

Finding the Fourth Proportional to 11,724.58, 16,181.22 and 6,690.04

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Solution

The fourth proportional to 11,724.58, 16,181.22 and 6,690.04 is: 9,233.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,724.58 : 16,181.22 = 6,690.04 : x
  2. Step 2: Convert to fraction form
    11,724.58/16,181.22 = 6,690.04/x
  3. Step 3: Cross multiply
    11,724.58x = 16,181.22 × 6,690.04
  4. Step 4: Simplify right side
    11,724.58x = 108,253,009.05
  5. Step 5: Solve for x
    x = 108,253,009.05/11,724.58
  6. Step 6: Final answer
    x = 9,233.00

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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.