Home / 7,403.40-11,101.32-2,208.60

Finding the Fourth Proportional to 7,403.40, 11,101.32 and 2,208.60

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Solution

The fourth proportional to 7,403.40, 11,101.32 and 2,208.60 is: 3,311.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.40 : 11,101.32 = 2,208.60 : x
  2. Step 2: Convert to fraction form
    7,403.40/11,101.32 = 2,208.60/x
  3. Step 3: Cross multiply
    7,403.40x = 11,101.32 × 2,208.60
  4. Step 4: Simplify right side
    7,403.40x = 24,518,375.35
  5. Step 5: Solve for x
    x = 24,518,375.35/7,403.40
  6. Step 6: Final answer
    x = 3,311.77

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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.