Home / 11,906.12-17,855.35-4,006.50

Finding the Fourth Proportional to 11,906.12, 17,855.35 and 4,006.50

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Solution

The fourth proportional to 11,906.12, 17,855.35 and 4,006.50 is: 6,008.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.12 : 17,855.35 = 4,006.50 : x
  2. Step 2: Convert to fraction form
    11,906.12/17,855.35 = 4,006.50/x
  3. Step 3: Cross multiply
    11,906.12x = 17,855.35 × 4,006.50
  4. Step 4: Simplify right side
    11,906.12x = 71,537,405.34
  5. Step 5: Solve for x
    x = 71,537,405.34/11,906.12
  6. Step 6: Final answer
    x = 6,008.46

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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.