Home / 11,156.96-16,738.08-3,259.74

Finding the Fourth Proportional to 11,156.96, 16,738.08 and 3,259.74

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Solution

The fourth proportional to 11,156.96, 16,738.08 and 3,259.74 is: 4,890.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,156.96 : 16,738.08 = 3,259.74 : x
  2. Step 2: Convert to fraction form
    11,156.96/16,738.08 = 3,259.74/x
  3. Step 3: Cross multiply
    11,156.96x = 16,738.08 × 3,259.74
  4. Step 4: Simplify right side
    11,156.96x = 54,561,788.90
  5. Step 5: Solve for x
    x = 54,561,788.90/11,156.96
  6. Step 6: Final answer
    x = 4,890.38

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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.