Home / 11,723.94-16,181.10-11,334.69

Finding the Fourth Proportional to 11,723.94, 16,181.10 and 11,334.69

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Solution

The fourth proportional to 11,723.94, 16,181.10 and 11,334.69 is: 15,643.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,723.94 : 16,181.10 = 11,334.69 : x
  2. Step 2: Convert to fraction form
    11,723.94/16,181.10 = 11,334.69/x
  3. Step 3: Cross multiply
    11,723.94x = 16,181.10 × 11,334.69
  4. Step 4: Simplify right side
    11,723.94x = 183,407,752.36
  5. Step 5: Solve for x
    x = 183,407,752.36/11,723.94
  6. Step 6: Final answer
    x = 15,643.87

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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.