Home / 10,772.05-16,151.46-4,190.57

Finding the Fourth Proportional to 10,772.05, 16,151.46 and 4,190.57

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Solution

The fourth proportional to 10,772.05, 16,151.46 and 4,190.57 is: 6,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,772.05 : 16,151.46 = 4,190.57 : x
  2. Step 2: Convert to fraction form
    10,772.05/16,151.46 = 4,190.57/x
  3. Step 3: Cross multiply
    10,772.05x = 16,151.46 × 4,190.57
  4. Step 4: Simplify right side
    10,772.05x = 67,683,823.73
  5. Step 5: Solve for x
    x = 67,683,823.73/10,772.05
  6. Step 6: Final answer
    x = 6,283.28

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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.