Home / 11,334.20-16,986.51-5,782.86

Finding the Fourth Proportional to 11,334.20, 16,986.51 and 5,782.86

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Solution

The fourth proportional to 11,334.20, 16,986.51 and 5,782.86 is: 8,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,334.20 : 16,986.51 = 5,782.86 : x
  2. Step 2: Convert to fraction form
    11,334.20/16,986.51 = 5,782.86/x
  3. Step 3: Cross multiply
    11,334.20x = 16,986.51 × 5,782.86
  4. Step 4: Simplify right side
    11,334.20x = 98,230,609.22
  5. Step 5: Solve for x
    x = 98,230,609.22/11,334.20
  6. Step 6: Final answer
    x = 8,666.75

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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.