Home / 11,420.75-17,133.33-4,025.45

Finding the Fourth Proportional to 11,420.75, 17,133.33 and 4,025.45

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Solution

The fourth proportional to 11,420.75, 17,133.33 and 4,025.45 is: 6,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,420.75 : 17,133.33 = 4,025.45 : x
  2. Step 2: Convert to fraction form
    11,420.75/17,133.33 = 4,025.45/x
  3. Step 3: Cross multiply
    11,420.75x = 17,133.33 × 4,025.45
  4. Step 4: Simplify right side
    11,420.75x = 68,969,363.25
  5. Step 5: Solve for x
    x = 68,969,363.25/11,420.75
  6. Step 6: Final answer
    x = 6,038.95

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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.