Home / 11,550.95-17,334.21-4,977.80

Finding the Fourth Proportional to 11,550.95, 17,334.21 and 4,977.80

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Solution

The fourth proportional to 11,550.95, 17,334.21 and 4,977.80 is: 7,470.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.95 : 17,334.21 = 4,977.80 : x
  2. Step 2: Convert to fraction form
    11,550.95/17,334.21 = 4,977.80/x
  3. Step 3: Cross multiply
    11,550.95x = 17,334.21 × 4,977.80
  4. Step 4: Simplify right side
    11,550.95x = 86,286,230.54
  5. Step 5: Solve for x
    x = 86,286,230.54/11,550.95
  6. Step 6: Final answer
    x = 7,470.05

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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.