Home / 11,107.13-16,672.55-4,785.14

Finding the Fourth Proportional to 11,107.13, 16,672.55 and 4,785.14

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Solution

The fourth proportional to 11,107.13, 16,672.55 and 4,785.14 is: 7,182.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,107.13 : 16,672.55 = 4,785.14 : x
  2. Step 2: Convert to fraction form
    11,107.13/16,672.55 = 4,785.14/x
  3. Step 3: Cross multiply
    11,107.13x = 16,672.55 × 4,785.14
  4. Step 4: Simplify right side
    11,107.13x = 79,780,461.98
  5. Step 5: Solve for x
    x = 79,780,461.98/11,107.13
  6. Step 6: Final answer
    x = 7,182.82

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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.