Home / 10,348.86-15,515.66-3,324.84

Finding the Fourth Proportional to 10,348.86, 15,515.66 and 3,324.84

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Solution

The fourth proportional to 10,348.86, 15,515.66 and 3,324.84 is: 4,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,348.86 : 15,515.66 = 3,324.84 : x
  2. Step 2: Convert to fraction form
    10,348.86/15,515.66 = 3,324.84/x
  3. Step 3: Cross multiply
    10,348.86x = 15,515.66 × 3,324.84
  4. Step 4: Simplify right side
    10,348.86x = 51,587,086.99
  5. Step 5: Solve for x
    x = 51,587,086.99/10,348.86
  6. Step 6: Final answer
    x = 4,984.81

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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.