Home / 10,712.63-16,065.18-3,213.95

Finding the Fourth Proportional to 10,712.63, 16,065.18 and 3,213.95

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Solution

The fourth proportional to 10,712.63, 16,065.18 and 3,213.95 is: 4,819.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.63 : 16,065.18 = 3,213.95 : x
  2. Step 2: Convert to fraction form
    10,712.63/16,065.18 = 3,213.95/x
  3. Step 3: Cross multiply
    10,712.63x = 16,065.18 × 3,213.95
  4. Step 4: Simplify right side
    10,712.63x = 51,632,725.42
  5. Step 5: Solve for x
    x = 51,632,725.42/10,712.63
  6. Step 6: Final answer
    x = 4,819.80

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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.