Home / 11,852.54-17,780.67-7,175.96

Finding the Fourth Proportional to 11,852.54, 17,780.67 and 7,175.96

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Solution

The fourth proportional to 11,852.54, 17,780.67 and 7,175.96 is: 10,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.54 : 17,780.67 = 7,175.96 : x
  2. Step 2: Convert to fraction form
    11,852.54/17,780.67 = 7,175.96/x
  3. Step 3: Cross multiply
    11,852.54x = 17,780.67 × 7,175.96
  4. Step 4: Simplify right side
    11,852.54x = 127,593,376.69
  5. Step 5: Solve for x
    x = 127,593,376.69/11,852.54
  6. Step 6: Final answer
    x = 10,765.07

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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.