Home / 11,968.50-17,926.02-8,674.03

Finding the Fourth Proportional to 11,968.50, 17,926.02 and 8,674.03

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Solution

The fourth proportional to 11,968.50, 17,926.02 and 8,674.03 is: 12,991.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,968.50 : 17,926.02 = 8,674.03 : x
  2. Step 2: Convert to fraction form
    11,968.50/17,926.02 = 8,674.03/x
  3. Step 3: Cross multiply
    11,968.50x = 17,926.02 × 8,674.03
  4. Step 4: Simplify right side
    11,968.50x = 155,490,835.26
  5. Step 5: Solve for x
    x = 155,490,835.26/11,968.50
  6. Step 6: Final answer
    x = 12,991.67

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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.