Home / 9,118.56-13,676.63-2,545.41

Finding the Fourth Proportional to 9,118.56, 13,676.63 and 2,545.41

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Solution

The fourth proportional to 9,118.56, 13,676.63 and 2,545.41 is: 3,817.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.56 : 13,676.63 = 2,545.41 : x
  2. Step 2: Convert to fraction form
    9,118.56/13,676.63 = 2,545.41/x
  3. Step 3: Cross multiply
    9,118.56x = 13,676.63 × 2,545.41
  4. Step 4: Simplify right side
    9,118.56x = 34,812,678.87
  5. Step 5: Solve for x
    x = 34,812,678.87/9,118.56
  6. Step 6: Final answer
    x = 3,817.78

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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.