Home / 10,328.39-15,493.98-3,756.45

Finding the Fourth Proportional to 10,328.39, 15,493.98 and 3,756.45

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Solution

The fourth proportional to 10,328.39, 15,493.98 and 3,756.45 is: 5,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,328.39 : 15,493.98 = 3,756.45 : x
  2. Step 2: Convert to fraction form
    10,328.39/15,493.98 = 3,756.45/x
  3. Step 3: Cross multiply
    10,328.39x = 15,493.98 × 3,756.45
  4. Step 4: Simplify right side
    10,328.39x = 58,202,361.17
  5. Step 5: Solve for x
    x = 58,202,361.17/10,328.39
  6. Step 6: Final answer
    x = 5,635.19

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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.