Home / 9,825.24-14,738.10-5,431.80

Finding the Fourth Proportional to 9,825.24, 14,738.10 and 5,431.80

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Solution

The fourth proportional to 9,825.24, 14,738.10 and 5,431.80 is: 8,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.24 : 14,738.10 = 5,431.80 : x
  2. Step 2: Convert to fraction form
    9,825.24/14,738.10 = 5,431.80/x
  3. Step 3: Cross multiply
    9,825.24x = 14,738.10 × 5,431.80
  4. Step 4: Simplify right side
    9,825.24x = 80,054,411.58
  5. Step 5: Solve for x
    x = 80,054,411.58/9,825.24
  6. Step 6: Final answer
    x = 8,147.83

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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.