Home / 11,918.85-16,449.04-6,542.33

Finding the Fourth Proportional to 11,918.85, 16,449.04 and 6,542.33

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Solution

The fourth proportional to 11,918.85, 16,449.04 and 6,542.33 is: 9,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,918.85 : 16,449.04 = 6,542.33 : x
  2. Step 2: Convert to fraction form
    11,918.85/16,449.04 = 6,542.33/x
  3. Step 3: Cross multiply
    11,918.85x = 16,449.04 × 6,542.33
  4. Step 4: Simplify right side
    11,918.85x = 107,615,047.86
  5. Step 5: Solve for x
    x = 107,615,047.86/11,918.85
  6. Step 6: Final answer
    x = 9,028.98

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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.