Home / 11,648.75-16,075.33-6,933.20

Finding the Fourth Proportional to 11,648.75, 16,075.33 and 6,933.20

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Solution

The fourth proportional to 11,648.75, 16,075.33 and 6,933.20 is: 9,567.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,648.75 : 16,075.33 = 6,933.20 : x
  2. Step 2: Convert to fraction form
    11,648.75/16,075.33 = 6,933.20/x
  3. Step 3: Cross multiply
    11,648.75x = 16,075.33 × 6,933.20
  4. Step 4: Simplify right side
    11,648.75x = 111,453,380.25
  5. Step 5: Solve for x
    x = 111,453,380.25/11,648.75
  6. Step 6: Final answer
    x = 9,567.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.