Home / 11,155.18-16,732.90-3,364.06

Finding the Fourth Proportional to 11,155.18, 16,732.90 and 3,364.06

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Solution

The fourth proportional to 11,155.18, 16,732.90 and 3,364.06 is: 5,046.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155.18 : 16,732.90 = 3,364.06 : x
  2. Step 2: Convert to fraction form
    11,155.18/16,732.90 = 3,364.06/x
  3. Step 3: Cross multiply
    11,155.18x = 16,732.90 × 3,364.06
  4. Step 4: Simplify right side
    11,155.18x = 56,290,479.57
  5. Step 5: Solve for x
    x = 56,290,479.57/11,155.18
  6. Step 6: Final answer
    x = 5,046.13

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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.