Home / 11,212.12-16,808.42-4,634.20

Finding the Fourth Proportional to 11,212.12, 16,808.42 and 4,634.20

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Solution

The fourth proportional to 11,212.12, 16,808.42 and 4,634.20 is: 6,947.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.12 : 16,808.42 = 4,634.20 : x
  2. Step 2: Convert to fraction form
    11,212.12/16,808.42 = 4,634.20/x
  3. Step 3: Cross multiply
    11,212.12x = 16,808.42 × 4,634.20
  4. Step 4: Simplify right side
    11,212.12x = 77,893,579.96
  5. Step 5: Solve for x
    x = 77,893,579.96/11,212.12
  6. Step 6: Final answer
    x = 6,947.27

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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.