Home / 11,020.95-16,438.46-9,245.22

Finding the Fourth Proportional to 11,020.95, 16,438.46 and 9,245.22

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Solution

The fourth proportional to 11,020.95, 16,438.46 and 9,245.22 is: 13,789.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.95 : 16,438.46 = 9,245.22 : x
  2. Step 2: Convert to fraction form
    11,020.95/16,438.46 = 9,245.22/x
  3. Step 3: Cross multiply
    11,020.95x = 16,438.46 × 9,245.22
  4. Step 4: Simplify right side
    11,020.95x = 151,977,132.94
  5. Step 5: Solve for x
    x = 151,977,132.94/11,020.95
  6. Step 6: Final answer
    x = 13,789.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.