Home / 7,426.86-11,138.48-3,045.58

Finding the Fourth Proportional to 7,426.86, 11,138.48 and 3,045.58

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Solution

The fourth proportional to 7,426.86, 11,138.48 and 3,045.58 is: 4,567.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,426.86 : 11,138.48 = 3,045.58 : x
  2. Step 2: Convert to fraction form
    7,426.86/11,138.48 = 3,045.58/x
  3. Step 3: Cross multiply
    7,426.86x = 11,138.48 × 3,045.58
  4. Step 4: Simplify right side
    7,426.86x = 33,923,131.92
  5. Step 5: Solve for x
    x = 33,923,131.92/7,426.86
  6. Step 6: Final answer
    x = 4,567.63

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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.