Home / 10,771.40-16,151.02-4,190.06

Finding the Fourth Proportional to 10,771.40, 16,151.02 and 4,190.06

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Solution

The fourth proportional to 10,771.40, 16,151.02 and 4,190.06 is: 6,282.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.40 : 16,151.02 = 4,190.06 : x
  2. Step 2: Convert to fraction form
    10,771.40/16,151.02 = 4,190.06/x
  3. Step 3: Cross multiply
    10,771.40x = 16,151.02 × 4,190.06
  4. Step 4: Simplify right side
    10,771.40x = 67,673,772.76
  5. Step 5: Solve for x
    x = 67,673,772.76/10,771.40
  6. Step 6: Final answer
    x = 6,282.73

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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.