Home / 11,709.87-17,571.74-4,319.52

Finding the Fourth Proportional to 11,709.87, 17,571.74 and 4,319.52

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Solution

The fourth proportional to 11,709.87, 17,571.74 and 4,319.52 is: 6,481.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,709.87 : 17,571.74 = 4,319.52 : x
  2. Step 2: Convert to fraction form
    11,709.87/17,571.74 = 4,319.52/x
  3. Step 3: Cross multiply
    11,709.87x = 17,571.74 × 4,319.52
  4. Step 4: Simplify right side
    11,709.87x = 75,901,482.36
  5. Step 5: Solve for x
    x = 75,901,482.36/11,709.87
  6. Step 6: Final answer
    x = 6,481.84

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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.