Home / 12,053.71-18,080.54-3,288.61

Finding the Fourth Proportional to 12,053.71, 18,080.54 and 3,288.61

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Solution

The fourth proportional to 12,053.71, 18,080.54 and 3,288.61 is: 4,932.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,053.71 : 18,080.54 = 3,288.61 : x
  2. Step 2: Convert to fraction form
    12,053.71/18,080.54 = 3,288.61/x
  3. Step 3: Cross multiply
    12,053.71x = 18,080.54 × 3,288.61
  4. Step 4: Simplify right side
    12,053.71x = 59,459,844.65
  5. Step 5: Solve for x
    x = 59,459,844.65/12,053.71
  6. Step 6: Final answer
    x = 4,932.91

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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.