Home / 11,974.80-17,962.20-7,360.40

Finding the Fourth Proportional to 11,974.80, 17,962.20 and 7,360.40

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Solution

The fourth proportional to 11,974.80, 17,962.20 and 7,360.40 is: 11,040.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,974.80 : 17,962.20 = 7,360.40 : x
  2. Step 2: Convert to fraction form
    11,974.80/17,962.20 = 7,360.40/x
  3. Step 3: Cross multiply
    11,974.80x = 17,962.20 × 7,360.40
  4. Step 4: Simplify right side
    11,974.80x = 132,208,976.88
  5. Step 5: Solve for x
    x = 132,208,976.88/11,974.80
  6. Step 6: Final answer
    x = 11,040.60

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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.