Home / 11,040.60-16,555.20-3,248.40

Finding the Fourth Proportional to 11,040.60, 16,555.20 and 3,248.40

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Solution

The fourth proportional to 11,040.60, 16,555.20 and 3,248.40 is: 4,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.60 : 16,555.20 = 3,248.40 : x
  2. Step 2: Convert to fraction form
    11,040.60/16,555.20 = 3,248.40/x
  3. Step 3: Cross multiply
    11,040.60x = 16,555.20 × 3,248.40
  4. Step 4: Simplify right side
    11,040.60x = 53,777,911.68
  5. Step 5: Solve for x
    x = 53,777,911.68/11,040.60
  6. Step 6: Final answer
    x = 4,870.92

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.