Home / 9,421.29-14,131.94-3,873.15

Finding the Fourth Proportional to 9,421.29, 14,131.94 and 3,873.15

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Solution

The fourth proportional to 9,421.29, 14,131.94 and 3,873.15 is: 5,809.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.29 : 14,131.94 = 3,873.15 : x
  2. Step 2: Convert to fraction form
    9,421.29/14,131.94 = 3,873.15/x
  3. Step 3: Cross multiply
    9,421.29x = 14,131.94 × 3,873.15
  4. Step 4: Simplify right side
    9,421.29x = 54,735,104.05
  5. Step 5: Solve for x
    x = 54,735,104.05/9,421.29
  6. Step 6: Final answer
    x = 5,809.73

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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.