Home / 11,230.02-16,845.17-5,385.33

Finding the Fourth Proportional to 11,230.02, 16,845.17 and 5,385.33

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Solution

The fourth proportional to 11,230.02, 16,845.17 and 5,385.33 is: 8,078.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,230.02 : 16,845.17 = 5,385.33 : x
  2. Step 2: Convert to fraction form
    11,230.02/16,845.17 = 5,385.33/x
  3. Step 3: Cross multiply
    11,230.02x = 16,845.17 × 5,385.33
  4. Step 4: Simplify right side
    11,230.02x = 90,716,772.43
  5. Step 5: Solve for x
    x = 90,716,772.43/11,230.02
  6. Step 6: Final answer
    x = 8,078.06

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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.