Home / 8,907.47-13,360.75-2,243.80

Finding the Fourth Proportional to 8,907.47, 13,360.75 and 2,243.80

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Solution

The fourth proportional to 8,907.47, 13,360.75 and 2,243.80 is: 3,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907.47 : 13,360.75 = 2,243.80 : x
  2. Step 2: Convert to fraction form
    8,907.47/13,360.75 = 2,243.80/x
  3. Step 3: Cross multiply
    8,907.47x = 13,360.75 × 2,243.80
  4. Step 4: Simplify right side
    8,907.47x = 29,978,861.94
  5. Step 5: Solve for x
    x = 29,978,861.94/8,907.47
  6. Step 6: Final answer
    x = 3,365.59

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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.