Home / 8,094.40-12,136.20-3,709.60

Finding the Fourth Proportional to 8,094.40, 12,136.20 and 3,709.60

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Solution

The fourth proportional to 8,094.40, 12,136.20 and 3,709.60 is: 5,561.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,094.40 : 12,136.20 = 3,709.60 : x
  2. Step 2: Convert to fraction form
    8,094.40/12,136.20 = 3,709.60/x
  3. Step 3: Cross multiply
    8,094.40x = 12,136.20 × 3,709.60
  4. Step 4: Simplify right side
    8,094.40x = 45,020,447.52
  5. Step 5: Solve for x
    x = 45,020,447.52/8,094.40
  6. Step 6: Final answer
    x = 5,561.93

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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.