Home / 11,172.75-16,759.12-2,852.47

Finding the Fourth Proportional to 11,172.75, 16,759.12 and 2,852.47

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Solution

The fourth proportional to 11,172.75, 16,759.12 and 2,852.47 is: 4,278.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.75 : 16,759.12 = 2,852.47 : x
  2. Step 2: Convert to fraction form
    11,172.75/16,759.12 = 2,852.47/x
  3. Step 3: Cross multiply
    11,172.75x = 16,759.12 × 2,852.47
  4. Step 4: Simplify right side
    11,172.75x = 47,804,811.92
  5. Step 5: Solve for x
    x = 47,804,811.92/11,172.75
  6. Step 6: Final answer
    x = 4,278.70

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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.