Home / 30,980.07-46,469.70-7,606.71

Finding the Fourth Proportional to 30,980.07, 46,469.70 and 7,606.71

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Solution

The fourth proportional to 30,980.07, 46,469.70 and 7,606.71 is: 11,409.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,980.07 : 46,469.70 = 7,606.71 : x
  2. Step 2: Convert to fraction form
    30,980.07/46,469.70 = 7,606.71/x
  3. Step 3: Cross multiply
    30,980.07x = 46,469.70 × 7,606.71
  4. Step 4: Simplify right side
    30,980.07x = 353,481,531.69
  5. Step 5: Solve for x
    x = 353,481,531.69/30,980.07
  6. Step 6: Final answer
    x = 11,409.97

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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.