Home / 9,167.28-13,738.35-4,775.64

Finding the Fourth Proportional to 9,167.28, 13,738.35 and 4,775.64

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Solution

The fourth proportional to 9,167.28, 13,738.35 and 4,775.64 is: 7,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,167.28 : 13,738.35 = 4,775.64 : x
  2. Step 2: Convert to fraction form
    9,167.28/13,738.35 = 4,775.64/x
  3. Step 3: Cross multiply
    9,167.28x = 13,738.35 × 4,775.64
  4. Step 4: Simplify right side
    9,167.28x = 65,609,413.79
  5. Step 5: Solve for x
    x = 65,609,413.79/9,167.28
  6. Step 6: Final answer
    x = 7,156.91

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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.