Home / 7,013.10-10,531.80-3,732.60

Finding the Fourth Proportional to 7,013.10, 10,531.80 and 3,732.60

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Solution

The fourth proportional to 7,013.10, 10,531.80 and 3,732.60 is: 5,605.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.10 : 10,531.80 = 3,732.60 : x
  2. Step 2: Convert to fraction form
    7,013.10/10,531.80 = 3,732.60/x
  3. Step 3: Cross multiply
    7,013.10x = 10,531.80 × 3,732.60
  4. Step 4: Simplify right side
    7,013.10x = 39,310,996.68
  5. Step 5: Solve for x
    x = 39,310,996.68/7,013.10
  6. Step 6: Final answer
    x = 5,605.37

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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.