Home / 11,753.14-16,219.56-6,447.96

Finding the Fourth Proportional to 11,753.14, 16,219.56 and 6,447.96

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Solution

The fourth proportional to 11,753.14, 16,219.56 and 6,447.96 is: 8,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,753.14 : 16,219.56 = 6,447.96 : x
  2. Step 2: Convert to fraction form
    11,753.14/16,219.56 = 6,447.96/x
  3. Step 3: Cross multiply
    11,753.14x = 16,219.56 × 6,447.96
  4. Step 4: Simplify right side
    11,753.14x = 104,583,074.10
  5. Step 5: Solve for x
    x = 104,583,074.10/11,753.14
  6. Step 6: Final answer
    x = 8,898.31

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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.