Home / 31,185.12-46,756.31-11,194.16

Finding the Fourth Proportional to 31,185.12, 46,756.31 and 11,194.16

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Solution

The fourth proportional to 31,185.12, 46,756.31 and 11,194.16 is: 16,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,185.12 : 46,756.31 = 11,194.16 : x
  2. Step 2: Convert to fraction form
    31,185.12/46,756.31 = 11,194.16/x
  3. Step 3: Cross multiply
    31,185.12x = 46,756.31 × 11,194.16
  4. Step 4: Simplify right side
    31,185.12x = 523,397,760.03
  5. Step 5: Solve for x
    x = 523,397,760.03/31,185.12
  6. Step 6: Final answer
    x = 16,783.57

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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.