Home / 11,126.98-16,690.47-3,335.79

Finding the Fourth Proportional to 11,126.98, 16,690.47 and 3,335.79

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Solution

The fourth proportional to 11,126.98, 16,690.47 and 3,335.79 is: 5,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,126.98 : 16,690.47 = 3,335.79 : x
  2. Step 2: Convert to fraction form
    11,126.98/16,690.47 = 3,335.79/x
  3. Step 3: Cross multiply
    11,126.98x = 16,690.47 × 3,335.79
  4. Step 4: Simplify right side
    11,126.98x = 55,675,902.92
  5. Step 5: Solve for x
    x = 55,675,902.92/11,126.98
  6. Step 6: Final answer
    x = 5,003.69

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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.