Home / 30,981.96-46,473.84-7,608.39

Finding the Fourth Proportional to 30,981.96, 46,473.84 and 7,608.39

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Solution

The fourth proportional to 30,981.96, 46,473.84 and 7,608.39 is: 11,412.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.96 : 46,473.84 = 7,608.39 : x
  2. Step 2: Convert to fraction form
    30,981.96/46,473.84 = 7,608.39/x
  3. Step 3: Cross multiply
    30,981.96x = 46,473.84 × 7,608.39
  4. Step 4: Simplify right side
    30,981.96x = 353,591,099.52
  5. Step 5: Solve for x
    x = 353,591,099.52/30,981.96
  6. Step 6: Final answer
    x = 11,412.81

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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.