Home / 10,522.28-15,786.28-3,503.44

Finding the Fourth Proportional to 10,522.28, 15,786.28 and 3,503.44

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Solution

The fourth proportional to 10,522.28, 15,786.28 and 3,503.44 is: 5,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.28 : 15,786.28 = 3,503.44 : x
  2. Step 2: Convert to fraction form
    10,522.28/15,786.28 = 3,503.44/x
  3. Step 3: Cross multiply
    10,522.28x = 15,786.28 × 3,503.44
  4. Step 4: Simplify right side
    10,522.28x = 55,306,284.80
  5. Step 5: Solve for x
    x = 55,306,284.80/10,522.28
  6. Step 6: Final answer
    x = 5,256.11

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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.