Home / 11,103.12-16,646.88-4,527.36

Finding the Fourth Proportional to 11,103.12, 16,646.88 and 4,527.36

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Solution

The fourth proportional to 11,103.12, 16,646.88 and 4,527.36 is: 6,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,103.12 : 16,646.88 = 4,527.36 : x
  2. Step 2: Convert to fraction form
    11,103.12/16,646.88 = 4,527.36/x
  3. Step 3: Cross multiply
    11,103.12x = 16,646.88 × 4,527.36
  4. Step 4: Simplify right side
    11,103.12x = 75,366,418.64
  5. Step 5: Solve for x
    x = 75,366,418.64/11,103.12
  6. Step 6: Final answer
    x = 6,787.86

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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.