Home / 11,158.47-16,737.62-2,838.38

Finding the Fourth Proportional to 11,158.47, 16,737.62 and 2,838.38

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Solution

The fourth proportional to 11,158.47, 16,737.62 and 2,838.38 is: 4,257.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,158.47 : 16,737.62 = 2,838.38 : x
  2. Step 2: Convert to fraction form
    11,158.47/16,737.62 = 2,838.38/x
  3. Step 3: Cross multiply
    11,158.47x = 16,737.62 × 2,838.38
  4. Step 4: Simplify right side
    11,158.47x = 47,507,655.92
  5. Step 5: Solve for x
    x = 47,507,655.92/11,158.47
  6. Step 6: Final answer
    x = 4,257.54

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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.