Home / 12,450.41-17,181.32-6,785.17

Finding the Fourth Proportional to 12,450.41, 17,181.32 and 6,785.17

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Solution

The fourth proportional to 12,450.41, 17,181.32 and 6,785.17 is: 9,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.41 : 17,181.32 = 6,785.17 : x
  2. Step 2: Convert to fraction form
    12,450.41/17,181.32 = 6,785.17/x
  3. Step 3: Cross multiply
    12,450.41x = 17,181.32 × 6,785.17
  4. Step 4: Simplify right side
    12,450.41x = 116,578,100.15
  5. Step 5: Solve for x
    x = 116,578,100.15/12,450.41
  6. Step 6: Final answer
    x = 9,363.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.