Home / 11,228.15-16,836.76-4,650.75

Finding the Fourth Proportional to 11,228.15, 16,836.76 and 4,650.75

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Solution

The fourth proportional to 11,228.15, 16,836.76 and 4,650.75 is: 6,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,228.15 : 16,836.76 = 4,650.75 : x
  2. Step 2: Convert to fraction form
    11,228.15/16,836.76 = 4,650.75/x
  3. Step 3: Cross multiply
    11,228.15x = 16,836.76 × 4,650.75
  4. Step 4: Simplify right side
    11,228.15x = 78,303,567.38
  5. Step 5: Solve for x
    x = 78,303,567.38/11,228.15
  6. Step 6: Final answer
    x = 6,973.86

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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.