Home / 7,484.78-11,224.88-3,322.19

Finding the Fourth Proportional to 7,484.78, 11,224.88 and 3,322.19

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Solution

The fourth proportional to 7,484.78, 11,224.88 and 3,322.19 is: 4,982.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.78 : 11,224.88 = 3,322.19 : x
  2. Step 2: Convert to fraction form
    7,484.78/11,224.88 = 3,322.19/x
  3. Step 3: Cross multiply
    7,484.78x = 11,224.88 × 3,322.19
  4. Step 4: Simplify right side
    7,484.78x = 37,291,184.09
  5. Step 5: Solve for x
    x = 37,291,184.09/7,484.78
  6. Step 6: Final answer
    x = 4,982.27

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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.