Home / 12,170.73-18,258.34-3,852.84

Finding the Fourth Proportional to 12,170.73, 18,258.34 and 3,852.84

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Solution

The fourth proportional to 12,170.73, 18,258.34 and 3,852.84 is: 5,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170.73 : 18,258.34 = 3,852.84 : x
  2. Step 2: Convert to fraction form
    12,170.73/18,258.34 = 3,852.84/x
  3. Step 3: Cross multiply
    12,170.73x = 18,258.34 × 3,852.84
  4. Step 4: Simplify right side
    12,170.73x = 70,346,462.69
  5. Step 5: Solve for x
    x = 70,346,462.69/12,170.73
  6. Step 6: Final answer
    x = 5,779.97

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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.