Home / 10,522.53-15,786.76-3,503.17

Finding the Fourth Proportional to 10,522.53, 15,786.76 and 3,503.17

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Solution

The fourth proportional to 10,522.53, 15,786.76 and 3,503.17 is: 5,255.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.53 : 15,786.76 = 3,503.17 : x
  2. Step 2: Convert to fraction form
    10,522.53/15,786.76 = 3,503.17/x
  3. Step 3: Cross multiply
    10,522.53x = 15,786.76 × 3,503.17
  4. Step 4: Simplify right side
    10,522.53x = 55,303,704.03
  5. Step 5: Solve for x
    x = 55,303,704.03/10,522.53
  6. Step 6: Final answer
    x = 5,255.74

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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.