Home / 12,407.12-18,610.62-3,173.12

Finding the Fourth Proportional to 12,407.12, 18,610.62 and 3,173.12

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Solution

The fourth proportional to 12,407.12, 18,610.62 and 3,173.12 is: 4,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,407.12 : 18,610.62 = 3,173.12 : x
  2. Step 2: Convert to fraction form
    12,407.12/18,610.62 = 3,173.12/x
  3. Step 3: Cross multiply
    12,407.12x = 18,610.62 × 3,173.12
  4. Step 4: Simplify right side
    12,407.12x = 59,053,730.53
  5. Step 5: Solve for x
    x = 59,053,730.53/12,407.12
  6. Step 6: Final answer
    x = 4,759.66

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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.