Home / 11,047.20-16,578.90-7,348.20

Finding the Fourth Proportional to 11,047.20, 16,578.90 and 7,348.20

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Solution

The fourth proportional to 11,047.20, 16,578.90 and 7,348.20 is: 11,027.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,047.20 : 16,578.90 = 7,348.20 : x
  2. Step 2: Convert to fraction form
    11,047.20/16,578.90 = 7,348.20/x
  3. Step 3: Cross multiply
    11,047.20x = 16,578.90 × 7,348.20
  4. Step 4: Simplify right side
    11,047.20x = 121,825,072.98
  5. Step 5: Solve for x
    x = 121,825,072.98/11,047.20
  6. Step 6: Final answer
    x = 11,027.69

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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.