Home / 10,687.86-16,039.08-3,762.36

Finding the Fourth Proportional to 10,687.86, 16,039.08 and 3,762.36

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Solution

The fourth proportional to 10,687.86, 16,039.08 and 3,762.36 is: 5,646.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,687.86 : 16,039.08 = 3,762.36 : x
  2. Step 2: Convert to fraction form
    10,687.86/16,039.08 = 3,762.36/x
  3. Step 3: Cross multiply
    10,687.86x = 16,039.08 × 3,762.36
  4. Step 4: Simplify right side
    10,687.86x = 60,344,793.03
  5. Step 5: Solve for x
    x = 60,344,793.03/10,687.86
  6. Step 6: Final answer
    x = 5,646.11

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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.