Home / 11,763.23-16,240.73-7,289.60

Finding the Fourth Proportional to 11,763.23, 16,240.73 and 7,289.60

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Solution

The fourth proportional to 11,763.23, 16,240.73 and 7,289.60 is: 10,064.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,763.23 : 16,240.73 = 7,289.60 : x
  2. Step 2: Convert to fraction form
    11,763.23/16,240.73 = 7,289.60/x
  3. Step 3: Cross multiply
    11,763.23x = 16,240.73 × 7,289.60
  4. Step 4: Simplify right side
    11,763.23x = 118,388,429.56
  5. Step 5: Solve for x
    x = 118,388,429.56/11,763.23
  6. Step 6: Final answer
    x = 10,064.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.