Home / 10,771.81-16,154.57-4,196.43

Finding the Fourth Proportional to 10,771.81, 16,154.57 and 4,196.43

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Solution

The fourth proportional to 10,771.81, 16,154.57 and 4,196.43 is: 6,293.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.81 : 16,154.57 = 4,196.43 : x
  2. Step 2: Convert to fraction form
    10,771.81/16,154.57 = 4,196.43/x
  3. Step 3: Cross multiply
    10,771.81x = 16,154.57 × 4,196.43
  4. Step 4: Simplify right side
    10,771.81x = 67,791,532.68
  5. Step 5: Solve for x
    x = 67,791,532.68/10,771.81
  6. Step 6: Final answer
    x = 6,293.42

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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.