Home / 10,367.80-15,551.69-2,576.61

Finding the Fourth Proportional to 10,367.80, 15,551.69 and 2,576.61

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Solution

The fourth proportional to 10,367.80, 15,551.69 and 2,576.61 is: 3,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.80 : 15,551.69 = 2,576.61 : x
  2. Step 2: Convert to fraction form
    10,367.80/15,551.69 = 2,576.61/x
  3. Step 3: Cross multiply
    10,367.80x = 15,551.69 × 2,576.61
  4. Step 4: Simplify right side
    10,367.80x = 40,070,639.97
  5. Step 5: Solve for x
    x = 40,070,639.97/10,367.80
  6. Step 6: Final answer
    x = 3,864.91

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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.