Home / 11,291.99-16,938.52-5,453.51

Finding the Fourth Proportional to 11,291.99, 16,938.52 and 5,453.51

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Solution

The fourth proportional to 11,291.99, 16,938.52 and 5,453.51 is: 8,180.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291.99 : 16,938.52 = 5,453.51 : x
  2. Step 2: Convert to fraction form
    11,291.99/16,938.52 = 5,453.51/x
  3. Step 3: Cross multiply
    11,291.99x = 16,938.52 × 5,453.51
  4. Step 4: Simplify right side
    11,291.99x = 92,374,289.88
  5. Step 5: Solve for x
    x = 92,374,289.88/11,291.99
  6. Step 6: Final answer
    x = 8,180.52

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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.