Home / 11,284.28-16,930.48-5,043.78

Finding the Fourth Proportional to 11,284.28, 16,930.48 and 5,043.78

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Solution

The fourth proportional to 11,284.28, 16,930.48 and 5,043.78 is: 7,567.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,284.28 : 16,930.48 = 5,043.78 : x
  2. Step 2: Convert to fraction form
    11,284.28/16,930.48 = 5,043.78/x
  3. Step 3: Cross multiply
    11,284.28x = 16,930.48 × 5,043.78
  4. Step 4: Simplify right side
    11,284.28x = 85,393,616.41
  5. Step 5: Solve for x
    x = 85,393,616.41/11,284.28
  6. Step 6: Final answer
    x = 7,567.48

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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.