Home / 10,272.19-15,399.03-3,693.75

Finding the Fourth Proportional to 10,272.19, 15,399.03 and 3,693.75

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Solution

The fourth proportional to 10,272.19, 15,399.03 and 3,693.75 is: 5,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.19 : 15,399.03 = 3,693.75 : x
  2. Step 2: Convert to fraction form
    10,272.19/15,399.03 = 3,693.75/x
  3. Step 3: Cross multiply
    10,272.19x = 15,399.03 × 3,693.75
  4. Step 4: Simplify right side
    10,272.19x = 56,880,180.91
  5. Step 5: Solve for x
    x = 56,880,180.91/10,272.19
  6. Step 6: Final answer
    x = 5,537.30

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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.