Home / 11,099.13-16,648.77-2,779.18

Finding the Fourth Proportional to 11,099.13, 16,648.77 and 2,779.18

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Solution

The fourth proportional to 11,099.13, 16,648.77 and 2,779.18 is: 4,168.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,099.13 : 16,648.77 = 2,779.18 : x
  2. Step 2: Convert to fraction form
    11,099.13/16,648.77 = 2,779.18/x
  3. Step 3: Cross multiply
    11,099.13x = 16,648.77 × 2,779.18
  4. Step 4: Simplify right side
    11,099.13x = 46,269,928.61
  5. Step 5: Solve for x
    x = 46,269,928.61/11,099.13
  6. Step 6: Final answer
    x = 4,168.79

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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.