Home / 11,257.38-16,876.76-4,688.28

Finding the Fourth Proportional to 11,257.38, 16,876.76 and 4,688.28

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Solution

The fourth proportional to 11,257.38, 16,876.76 and 4,688.28 is: 7,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,257.38 : 16,876.76 = 4,688.28 : x
  2. Step 2: Convert to fraction form
    11,257.38/16,876.76 = 4,688.28/x
  3. Step 3: Cross multiply
    11,257.38x = 16,876.76 × 4,688.28
  4. Step 4: Simplify right side
    11,257.38x = 79,122,952.93
  5. Step 5: Solve for x
    x = 79,122,952.93/11,257.38
  6. Step 6: Final answer
    x = 7,028.54

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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.