Home / 12,175.41-18,260.31-3,411.21

Finding the Fourth Proportional to 12,175.41, 18,260.31 and 3,411.21

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Solution

The fourth proportional to 12,175.41, 18,260.31 and 3,411.21 is: 5,116.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,175.41 : 18,260.31 = 3,411.21 : x
  2. Step 2: Convert to fraction form
    12,175.41/18,260.31 = 3,411.21/x
  3. Step 3: Cross multiply
    12,175.41x = 18,260.31 × 3,411.21
  4. Step 4: Simplify right side
    12,175.41x = 62,289,752.08
  5. Step 5: Solve for x
    x = 62,289,752.08/12,175.41
  6. Step 6: Final answer
    x = 5,116.03

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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.