Home / 10,306.22-15,459.37-2,515.03

Finding the Fourth Proportional to 10,306.22, 15,459.37 and 2,515.03

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Solution

The fourth proportional to 10,306.22, 15,459.37 and 2,515.03 is: 3,772.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.22 : 15,459.37 = 2,515.03 : x
  2. Step 2: Convert to fraction form
    10,306.22/15,459.37 = 2,515.03/x
  3. Step 3: Cross multiply
    10,306.22x = 15,459.37 × 2,515.03
  4. Step 4: Simplify right side
    10,306.22x = 38,880,821.35
  5. Step 5: Solve for x
    x = 38,880,821.35/10,306.22
  6. Step 6: Final answer
    x = 3,772.56

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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.