Home / 11,116.32-16,674.51-4,542.51

Finding the Fourth Proportional to 11,116.32, 16,674.51 and 4,542.51

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Solution

The fourth proportional to 11,116.32, 16,674.51 and 4,542.51 is: 6,813.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,116.32 : 16,674.51 = 4,542.51 : x
  2. Step 2: Convert to fraction form
    11,116.32/16,674.51 = 4,542.51/x
  3. Step 3: Cross multiply
    11,116.32x = 16,674.51 × 4,542.51
  4. Step 4: Simplify right side
    11,116.32x = 75,744,128.42
  5. Step 5: Solve for x
    x = 75,744,128.42/11,116.32
  6. Step 6: Final answer
    x = 6,813.78

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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.