Home / 11,172.16-16,756.44-3,776.47

Finding the Fourth Proportional to 11,172.16, 16,756.44 and 3,776.47

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Solution

The fourth proportional to 11,172.16, 16,756.44 and 3,776.47 is: 5,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.16 : 16,756.44 = 3,776.47 : x
  2. Step 2: Convert to fraction form
    11,172.16/16,756.44 = 3,776.47/x
  3. Step 3: Cross multiply
    11,172.16x = 16,756.44 × 3,776.47
  4. Step 4: Simplify right side
    11,172.16x = 63,280,192.97
  5. Step 5: Solve for x
    x = 63,280,192.97/11,172.16
  6. Step 6: Final answer
    x = 5,664.10

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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.