Home / 7,427.91-11,140.03-3,268.96

Finding the Fourth Proportional to 7,427.91, 11,140.03 and 3,268.96

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Solution

The fourth proportional to 7,427.91, 11,140.03 and 3,268.96 is: 4,902.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.91 : 11,140.03 = 3,268.96 : x
  2. Step 2: Convert to fraction form
    7,427.91/11,140.03 = 3,268.96/x
  3. Step 3: Cross multiply
    7,427.91x = 11,140.03 × 3,268.96
  4. Step 4: Simplify right side
    7,427.91x = 36,416,312.47
  5. Step 5: Solve for x
    x = 36,416,312.47/7,427.91
  6. Step 6: Final answer
    x = 4,902.63

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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.