Home / 11,107.10-16,660.04-3,710.79

Finding the Fourth Proportional to 11,107.10, 16,660.04 and 3,710.79

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Solution

The fourth proportional to 11,107.10, 16,660.04 and 3,710.79 is: 5,565.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.10 : 16,660.04 = 3,710.79 : x
  2. Step 2: Convert to fraction form
    11,107.10/16,660.04 = 3,710.79/x
  3. Step 3: Cross multiply
    11,107.10x = 16,660.04 × 3,710.79
  4. Step 4: Simplify right side
    11,107.10x = 61,821,909.83
  5. Step 5: Solve for x
    x = 61,821,909.83/11,107.10
  6. Step 6: Final answer
    x = 5,565.98

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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.