Home / 31,247.46-46,863.45-11,515.32

Finding the Fourth Proportional to 31,247.46, 46,863.45 and 11,515.32

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Solution

The fourth proportional to 31,247.46, 46,863.45 and 11,515.32 is: 17,270.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,247.46 : 46,863.45 = 11,515.32 : x
  2. Step 2: Convert to fraction form
    31,247.46/46,863.45 = 11,515.32/x
  3. Step 3: Cross multiply
    31,247.46x = 46,863.45 × 11,515.32
  4. Step 4: Simplify right side
    31,247.46x = 539,647,623.05
  5. Step 5: Solve for x
    x = 539,647,623.05/31,247.46
  6. Step 6: Final answer
    x = 17,270.13

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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.