Home / 10,414.42-15,620.37-2,623.21

Finding the Fourth Proportional to 10,414.42, 15,620.37 and 2,623.21

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Solution

The fourth proportional to 10,414.42, 15,620.37 and 2,623.21 is: 3,934.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.42 : 15,620.37 = 2,623.21 : x
  2. Step 2: Convert to fraction form
    10,414.42/15,620.37 = 2,623.21/x
  3. Step 3: Cross multiply
    10,414.42x = 15,620.37 × 2,623.21
  4. Step 4: Simplify right side
    10,414.42x = 40,975,510.79
  5. Step 5: Solve for x
    x = 40,975,510.79/10,414.42
  6. Step 6: Final answer
    x = 3,934.50

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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.