Home / 11,748.27-16,212.75-6,442.98

Finding the Fourth Proportional to 11,748.27, 16,212.75 and 6,442.98

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Solution

The fourth proportional to 11,748.27, 16,212.75 and 6,442.98 is: 8,891.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.27 : 16,212.75 = 6,442.98 : x
  2. Step 2: Convert to fraction form
    11,748.27/16,212.75 = 6,442.98/x
  3. Step 3: Cross multiply
    11,748.27x = 16,212.75 × 6,442.98
  4. Step 4: Simplify right side
    11,748.27x = 104,458,424.00
  5. Step 5: Solve for x
    x = 104,458,424.00/11,748.27
  6. Step 6: Final answer
    x = 8,891.39

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1.5x scale

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.