Home / 11,181.68-16,771.98-3,783.68

Finding the Fourth Proportional to 11,181.68, 16,771.98 and 3,783.68

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Solution

The fourth proportional to 11,181.68, 16,771.98 and 3,783.68 is: 5,675.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,181.68 : 16,771.98 = 3,783.68 : x
  2. Step 2: Convert to fraction form
    11,181.68/16,771.98 = 3,783.68/x
  3. Step 3: Cross multiply
    11,181.68x = 16,771.98 × 3,783.68
  4. Step 4: Simplify right side
    11,181.68x = 63,459,805.29
  5. Step 5: Solve for x
    x = 63,459,805.29/11,181.68
  6. Step 6: Final answer
    x = 5,675.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.