Home / 11,278.44-16,912.47-4,700.70

Finding the Fourth Proportional to 11,278.44, 16,912.47 and 4,700.70

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Solution

The fourth proportional to 11,278.44, 16,912.47 and 4,700.70 is: 7,048.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278.44 : 16,912.47 = 4,700.70 : x
  2. Step 2: Convert to fraction form
    11,278.44/16,912.47 = 4,700.70/x
  3. Step 3: Cross multiply
    11,278.44x = 16,912.47 × 4,700.70
  4. Step 4: Simplify right side
    11,278.44x = 79,500,447.73
  5. Step 5: Solve for x
    x = 79,500,447.73/11,278.44
  6. Step 6: Final answer
    x = 7,048.89

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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.