Home / 12,395.25-18,592.88-3,161.25

Finding the Fourth Proportional to 12,395.25, 18,592.88 and 3,161.25

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Solution

The fourth proportional to 12,395.25, 18,592.88 and 3,161.25 is: 4,741.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,395.25 : 18,592.88 = 3,161.25 : x
  2. Step 2: Convert to fraction form
    12,395.25/18,592.88 = 3,161.25/x
  3. Step 3: Cross multiply
    12,395.25x = 18,592.88 × 3,161.25
  4. Step 4: Simplify right side
    12,395.25x = 58,776,726.09
  5. Step 5: Solve for x
    x = 58,776,726.09/12,395.25
  6. Step 6: Final answer
    x = 4,741.88

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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.