Home / 9,156.60-13,731.33-3,151.54

Finding the Fourth Proportional to 9,156.60, 13,731.33 and 3,151.54

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Solution

The fourth proportional to 9,156.60, 13,731.33 and 3,151.54 is: 4,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,156.60 : 13,731.33 = 3,151.54 : x
  2. Step 2: Convert to fraction form
    9,156.60/13,731.33 = 3,151.54/x
  3. Step 3: Cross multiply
    9,156.60x = 13,731.33 × 3,151.54
  4. Step 4: Simplify right side
    9,156.60x = 43,274,835.75
  5. Step 5: Solve for x
    x = 43,274,835.75/9,156.60
  6. Step 6: Final answer
    x = 4,726.08

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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.