Home / 10,677.18-16,004.62-3,655.12

Finding the Fourth Proportional to 10,677.18, 16,004.62 and 3,655.12

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Solution

The fourth proportional to 10,677.18, 16,004.62 and 3,655.12 is: 5,478.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,677.18 : 16,004.62 = 3,655.12 : x
  2. Step 2: Convert to fraction form
    10,677.18/16,004.62 = 3,655.12/x
  3. Step 3: Cross multiply
    10,677.18x = 16,004.62 × 3,655.12
  4. Step 4: Simplify right side
    10,677.18x = 58,498,806.65
  5. Step 5: Solve for x
    x = 58,498,806.65/10,677.18
  6. Step 6: Final answer
    x = 5,478.86

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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.