Home / 7,324.21-10,987.33-3,376.68

Finding the Fourth Proportional to 7,324.21, 10,987.33 and 3,376.68

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Solution

The fourth proportional to 7,324.21, 10,987.33 and 3,376.68 is: 5,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,324.21 : 10,987.33 = 3,376.68 : x
  2. Step 2: Convert to fraction form
    7,324.21/10,987.33 = 3,376.68/x
  3. Step 3: Cross multiply
    7,324.21x = 10,987.33 × 3,376.68
  4. Step 4: Simplify right side
    7,324.21x = 37,100,697.46
  5. Step 5: Solve for x
    x = 37,100,697.46/7,324.21
  6. Step 6: Final answer
    x = 5,065.49

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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.