Home / 11,674.60-16,111.18-6,369.56

Finding the Fourth Proportional to 11,674.60, 16,111.18 and 6,369.56

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Solution

The fourth proportional to 11,674.60, 16,111.18 and 6,369.56 is: 8,790.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,674.60 : 16,111.18 = 6,369.56 : x
  2. Step 2: Convert to fraction form
    11,674.60/16,111.18 = 6,369.56/x
  3. Step 3: Cross multiply
    11,674.60x = 16,111.18 × 6,369.56
  4. Step 4: Simplify right side
    11,674.60x = 102,621,127.68
  5. Step 5: Solve for x
    x = 102,621,127.68/11,674.60
  6. Step 6: Final answer
    x = 8,790.12

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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.