Home / 10,786.65-16,181.16-4,545.51

Finding the Fourth Proportional to 10,786.65, 16,181.16 and 4,545.51

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Solution

The fourth proportional to 10,786.65, 16,181.16 and 4,545.51 is: 6,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,786.65 : 16,181.16 = 4,545.51 : x
  2. Step 2: Convert to fraction form
    10,786.65/16,181.16 = 4,545.51/x
  3. Step 3: Cross multiply
    10,786.65x = 16,181.16 × 4,545.51
  4. Step 4: Simplify right side
    10,786.65x = 73,551,624.59
  5. Step 5: Solve for x
    x = 73,551,624.59/10,786.65
  6. Step 6: Final answer
    x = 6,818.76

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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.