Home / 10,790.68-16,188.18-3,397

Finding the Fourth Proportional to 10,790.68, 16,188.18 and 3,397

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Solution

The fourth proportional to 10,790.68, 16,188.18 and 3,397 is: 5,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.68 : 16,188.18 = 3,397 : x
  2. Step 2: Convert to fraction form
    10,790.68/16,188.18 = 3,397/x
  3. Step 3: Cross multiply
    10,790.68x = 16,188.18 × 3,397
  4. Step 4: Simplify right side
    10,790.68x = 54,991,247.46
  5. Step 5: Solve for x
    x = 54,991,247.46/10,790.68
  6. Step 6: Final answer
    x = 5,096.18

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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.