Home / 11,973.49-17,980.25-7,481.00

Finding the Fourth Proportional to 11,973.49, 17,980.25 and 7,481.00

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Solution

The fourth proportional to 11,973.49, 17,980.25 and 7,481.00 is: 11,234.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,973.49 : 17,980.25 = 7,481.00 : x
  2. Step 2: Convert to fraction form
    11,973.49/17,980.25 = 7,481.00/x
  3. Step 3: Cross multiply
    11,973.49x = 17,980.25 × 7,481.00
  4. Step 4: Simplify right side
    11,973.49x = 134,510,207.23
  5. Step 5: Solve for x
    x = 134,510,207.23/11,973.49
  6. Step 6: Final answer
    x = 11,234.00

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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.