Home / 10,214.94-15,320.61-3,551.61

Finding the Fourth Proportional to 10,214.94, 15,320.61 and 3,551.61

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Solution

The fourth proportional to 10,214.94, 15,320.61 and 3,551.61 is: 5,326.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,214.94 : 15,320.61 = 3,551.61 : x
  2. Step 2: Convert to fraction form
    10,214.94/15,320.61 = 3,551.61/x
  3. Step 3: Cross multiply
    10,214.94x = 15,320.61 × 3,551.61
  4. Step 4: Simplify right side
    10,214.94x = 54,412,831.68
  5. Step 5: Solve for x
    x = 54,412,831.68/10,214.94
  6. Step 6: Final answer
    x = 5,326.79

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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.