Home / 11,226.82-16,840.74-4,205.02

Finding the Fourth Proportional to 11,226.82, 16,840.74 and 4,205.02

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Solution

The fourth proportional to 11,226.82, 16,840.74 and 4,205.02 is: 6,307.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,226.82 : 16,840.74 = 4,205.02 : x
  2. Step 2: Convert to fraction form
    11,226.82/16,840.74 = 4,205.02/x
  3. Step 3: Cross multiply
    11,226.82x = 16,840.74 × 4,205.02
  4. Step 4: Simplify right side
    11,226.82x = 70,815,648.51
  5. Step 5: Solve for x
    x = 70,815,648.51/11,226.82
  6. Step 6: Final answer
    x = 6,307.72

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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.