Home / 11,172.44-16,762.55-7,007.51

Finding the Fourth Proportional to 11,172.44, 16,762.55 and 7,007.51

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Solution

The fourth proportional to 11,172.44, 16,762.55 and 7,007.51 is: 10,513.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,172.44 : 16,762.55 = 7,007.51 : x
  2. Step 2: Convert to fraction form
    11,172.44/16,762.55 = 7,007.51/x
  3. Step 3: Cross multiply
    11,172.44x = 16,762.55 × 7,007.51
  4. Step 4: Simplify right side
    11,172.44x = 117,463,743.62
  5. Step 5: Solve for x
    x = 117,463,743.62/11,172.44
  6. Step 6: Final answer
    x = 10,513.70

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1.5x scale

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.