Home / 11,953.24-17,905.20-7,007.86

Finding the Fourth Proportional to 11,953.24, 17,905.20 and 7,007.86

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Solution

The fourth proportional to 11,953.24, 17,905.20 and 7,007.86 is: 10,497.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,953.24 : 17,905.20 = 7,007.86 : x
  2. Step 2: Convert to fraction form
    11,953.24/17,905.20 = 7,007.86/x
  3. Step 3: Cross multiply
    11,953.24x = 17,905.20 × 7,007.86
  4. Step 4: Simplify right side
    11,953.24x = 125,477,134.87
  5. Step 5: Solve for x
    x = 125,477,134.87/11,953.24
  6. Step 6: Final answer
    x = 10,497.33

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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.