Home / 12,433.44-17,158.46-7,651.61

Finding the Fourth Proportional to 12,433.44, 17,158.46 and 7,651.61

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Solution

The fourth proportional to 12,433.44, 17,158.46 and 7,651.61 is: 10,559.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.44 : 17,158.46 = 7,651.61 : x
  2. Step 2: Convert to fraction form
    12,433.44/17,158.46 = 7,651.61/x
  3. Step 3: Cross multiply
    12,433.44x = 17,158.46 × 7,651.61
  4. Step 4: Simplify right side
    12,433.44x = 131,289,720.07
  5. Step 5: Solve for x
    x = 131,289,720.07/12,433.44
  6. Step 6: Final answer
    x = 10,559.40

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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.