Home / 11,571.72-17,357.01-4,075.65

Finding the Fourth Proportional to 11,571.72, 17,357.01 and 4,075.65

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Solution

The fourth proportional to 11,571.72, 17,357.01 and 4,075.65 is: 6,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571.72 : 17,357.01 = 4,075.65 : x
  2. Step 2: Convert to fraction form
    11,571.72/17,357.01 = 4,075.65/x
  3. Step 3: Cross multiply
    11,571.72x = 17,357.01 × 4,075.65
  4. Step 4: Simplify right side
    11,571.72x = 70,741,162.90
  5. Step 5: Solve for x
    x = 70,741,162.90/11,571.72
  6. Step 6: Final answer
    x = 6,113.28

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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.