Home / 11,154.34-16,698.66-7,447.37

Finding the Fourth Proportional to 11,154.34, 16,698.66 and 7,447.37

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Solution

The fourth proportional to 11,154.34, 16,698.66 and 7,447.37 is: 11,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.34 : 16,698.66 = 7,447.37 : x
  2. Step 2: Convert to fraction form
    11,154.34/16,698.66 = 7,447.37/x
  3. Step 3: Cross multiply
    11,154.34x = 16,698.66 × 7,447.37
  4. Step 4: Simplify right side
    11,154.34x = 124,361,099.52
  5. Step 5: Solve for x
    x = 124,361,099.52/11,154.34
  6. Step 6: Final answer
    x = 11,149.12

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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.