Home / 12,760.74-19,134.53-5,734.75

Finding the Fourth Proportional to 12,760.74, 19,134.53 and 5,734.75

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Solution

The fourth proportional to 12,760.74, 19,134.53 and 5,734.75 is: 8,599.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,760.74 : 19,134.53 = 5,734.75 : x
  2. Step 2: Convert to fraction form
    12,760.74/19,134.53 = 5,734.75/x
  3. Step 3: Cross multiply
    12,760.74x = 19,134.53 × 5,734.75
  4. Step 4: Simplify right side
    12,760.74x = 109,731,726.79
  5. Step 5: Solve for x
    x = 109,731,726.79/12,760.74
  6. Step 6: Final answer
    x = 8,599.17

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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.