Home / 11,852.12-17,778.20-3,087.02

Finding the Fourth Proportional to 11,852.12, 17,778.20 and 3,087.02

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Solution

The fourth proportional to 11,852.12, 17,778.20 and 3,087.02 is: 4,630.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,852.12 : 17,778.20 = 3,087.02 : x
  2. Step 2: Convert to fraction form
    11,852.12/17,778.20 = 3,087.02/x
  3. Step 3: Cross multiply
    11,852.12x = 17,778.20 × 3,087.02
  4. Step 4: Simplify right side
    11,852.12x = 54,881,554.64
  5. Step 5: Solve for x
    x = 54,881,554.64/11,852.12
  6. Step 6: Final answer
    x = 4,630.53

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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.