Home / 11,118.85-16,672.20-4,537.60

Finding the Fourth Proportional to 11,118.85, 16,672.20 and 4,537.60

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Solution

The fourth proportional to 11,118.85, 16,672.20 and 4,537.60 is: 6,803.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.85 : 16,672.20 = 4,537.60 : x
  2. Step 2: Convert to fraction form
    11,118.85/16,672.20 = 4,537.60/x
  3. Step 3: Cross multiply
    11,118.85x = 16,672.20 × 4,537.60
  4. Step 4: Simplify right side
    11,118.85x = 75,651,774.72
  5. Step 5: Solve for x
    x = 75,651,774.72/11,118.85
  6. Step 6: Final answer
    x = 6,803.92

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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.