Home / 12,450.92-17,180.66-7,975.10

Finding the Fourth Proportional to 12,450.92, 17,180.66 and 7,975.10

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Solution

The fourth proportional to 12,450.92, 17,180.66 and 7,975.10 is: 11,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.92 : 17,180.66 = 7,975.10 : x
  2. Step 2: Convert to fraction form
    12,450.92/17,180.66 = 7,975.10/x
  3. Step 3: Cross multiply
    12,450.92x = 17,180.66 × 7,975.10
  4. Step 4: Simplify right side
    12,450.92x = 137,017,355.79
  5. Step 5: Solve for x
    x = 137,017,355.79/12,450.92
  6. Step 6: Final answer
    x = 11,004.60

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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.