Home / 11,742.50-16,205.14-6,437.52

Finding the Fourth Proportional to 11,742.50, 16,205.14 and 6,437.52

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Solution

The fourth proportional to 11,742.50, 16,205.14 and 6,437.52 is: 8,884.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742.50 : 16,205.14 = 6,437.52 : x
  2. Step 2: Convert to fraction form
    11,742.50/16,205.14 = 6,437.52/x
  3. Step 3: Cross multiply
    11,742.50x = 16,205.14 × 6,437.52
  4. Step 4: Simplify right side
    11,742.50x = 104,320,912.85
  5. Step 5: Solve for x
    x = 104,320,912.85/11,742.50
  6. Step 6: Final answer
    x = 8,884.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.