Home / 9,352.38-14,028.28-2,778.54

Finding the Fourth Proportional to 9,352.38, 14,028.28 and 2,778.54

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Solution

The fourth proportional to 9,352.38, 14,028.28 and 2,778.54 is: 4,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,352.38 : 14,028.28 = 2,778.54 : x
  2. Step 2: Convert to fraction form
    9,352.38/14,028.28 = 2,778.54/x
  3. Step 3: Cross multiply
    9,352.38x = 14,028.28 × 2,778.54
  4. Step 4: Simplify right side
    9,352.38x = 38,978,137.11
  5. Step 5: Solve for x
    x = 38,978,137.11/9,352.38
  6. Step 6: Final answer
    x = 4,167.72

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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.