Home / 9,014.97-13,512.88-5,318.94

Finding the Fourth Proportional to 9,014.97, 13,512.88 and 5,318.94

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Solution

The fourth proportional to 9,014.97, 13,512.88 and 5,318.94 is: 7,972.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.97 : 13,512.88 = 5,318.94 : x
  2. Step 2: Convert to fraction form
    9,014.97/13,512.88 = 5,318.94/x
  3. Step 3: Cross multiply
    9,014.97x = 13,512.88 × 5,318.94
  4. Step 4: Simplify right side
    9,014.97x = 71,874,197.95
  5. Step 5: Solve for x
    x = 71,874,197.95/9,014.97
  6. Step 6: Final answer
    x = 7,972.76

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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.