Home / 11,124.86-16,689.72-4,551.71

Finding the Fourth Proportional to 11,124.86, 16,689.72 and 4,551.71

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Solution

The fourth proportional to 11,124.86, 16,689.72 and 4,551.71 is: 6,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,124.86 : 16,689.72 = 4,551.71 : x
  2. Step 2: Convert to fraction form
    11,124.86/16,689.72 = 4,551.71/x
  3. Step 3: Cross multiply
    11,124.86x = 16,689.72 × 4,551.71
  4. Step 4: Simplify right side
    11,124.86x = 75,966,765.42
  5. Step 5: Solve for x
    x = 75,966,765.42/11,124.86
  6. Step 6: Final answer
    x = 6,828.56

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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.