Home / 10,072.61-15,107.71-2,677.64

Finding the Fourth Proportional to 10,072.61, 15,107.71 and 2,677.64

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Solution

The fourth proportional to 10,072.61, 15,107.71 and 2,677.64 is: 4,016.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.61 : 15,107.71 = 2,677.64 : x
  2. Step 2: Convert to fraction form
    10,072.61/15,107.71 = 2,677.64/x
  3. Step 3: Cross multiply
    10,072.61x = 15,107.71 × 2,677.64
  4. Step 4: Simplify right side
    10,072.61x = 40,452,919.68
  5. Step 5: Solve for x
    x = 40,452,919.68/10,072.61
  6. Step 6: Final answer
    x = 4,016.13

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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.