Home / 9,612.28-14,418.42-5,231.80

Finding the Fourth Proportional to 9,612.28, 14,418.42 and 5,231.80

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Solution

The fourth proportional to 9,612.28, 14,418.42 and 5,231.80 is: 7,847.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.28 : 14,418.42 = 5,231.80 : x
  2. Step 2: Convert to fraction form
    9,612.28/14,418.42 = 5,231.80/x
  3. Step 3: Cross multiply
    9,612.28x = 14,418.42 × 5,231.80
  4. Step 4: Simplify right side
    9,612.28x = 75,434,289.76
  5. Step 5: Solve for x
    x = 75,434,289.76/9,612.28
  6. Step 6: Final answer
    x = 7,847.70

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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.