Home / 10,080.51-15,121.50-2,684.94

Finding the Fourth Proportional to 10,080.51, 15,121.50 and 2,684.94

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Solution

The fourth proportional to 10,080.51, 15,121.50 and 2,684.94 is: 4,027.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,080.51 : 15,121.50 = 2,684.94 : x
  2. Step 2: Convert to fraction form
    10,080.51/15,121.50 = 2,684.94/x
  3. Step 3: Cross multiply
    10,080.51x = 15,121.50 × 2,684.94
  4. Step 4: Simplify right side
    10,080.51x = 40,600,320.21
  5. Step 5: Solve for x
    x = 40,600,320.21/10,080.51
  6. Step 6: Final answer
    x = 4,027.61

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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.