Home / 10,751.96-16,121.28-3,730.32

Finding the Fourth Proportional to 10,751.96, 16,121.28 and 3,730.32

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Solution

The fourth proportional to 10,751.96, 16,121.28 and 3,730.32 is: 5,593.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,751.96 : 16,121.28 = 3,730.32 : x
  2. Step 2: Convert to fraction form
    10,751.96/16,121.28 = 3,730.32/x
  3. Step 3: Cross multiply
    10,751.96x = 16,121.28 × 3,730.32
  4. Step 4: Simplify right side
    10,751.96x = 60,137,533.21
  5. Step 5: Solve for x
    x = 60,137,533.21/10,751.96
  6. Step 6: Final answer
    x = 5,593.17

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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.