Home / 7,981.94-11,973.22-2,434.86

Finding the Fourth Proportional to 7,981.94, 11,973.22 and 2,434.86

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Solution

The fourth proportional to 7,981.94, 11,973.22 and 2,434.86 is: 3,652.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,981.94 : 11,973.22 = 2,434.86 : x
  2. Step 2: Convert to fraction form
    7,981.94/11,973.22 = 2,434.86/x
  3. Step 3: Cross multiply
    7,981.94x = 11,973.22 × 2,434.86
  4. Step 4: Simplify right side
    7,981.94x = 29,153,108.36
  5. Step 5: Solve for x
    x = 29,153,108.36/7,981.94
  6. Step 6: Final answer
    x = 3,652.38

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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.