Home / 12,892.95-19,340.43-5,497.46

Finding the Fourth Proportional to 12,892.95, 19,340.43 and 5,497.46

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Solution

The fourth proportional to 12,892.95, 19,340.43 and 5,497.46 is: 8,246.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,892.95 : 19,340.43 = 5,497.46 : x
  2. Step 2: Convert to fraction form
    12,892.95/19,340.43 = 5,497.46/x
  3. Step 3: Cross multiply
    12,892.95x = 19,340.43 × 5,497.46
  4. Step 4: Simplify right side
    12,892.95x = 106,323,143.61
  5. Step 5: Solve for x
    x = 106,323,143.61/12,892.95
  6. Step 6: Final answer
    x = 8,246.61

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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.