Home / 11,330.80-16,998.64-4,753.20

Finding the Fourth Proportional to 11,330.80, 16,998.64 and 4,753.20

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Solution

The fourth proportional to 11,330.80, 16,998.64 and 4,753.20 is: 7,130.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.80 : 16,998.64 = 4,753.20 : x
  2. Step 2: Convert to fraction form
    11,330.80/16,998.64 = 4,753.20/x
  3. Step 3: Cross multiply
    11,330.80x = 16,998.64 × 4,753.20
  4. Step 4: Simplify right side
    11,330.80x = 80,797,935.65
  5. Step 5: Solve for x
    x = 80,797,935.65/11,330.80
  6. Step 6: Final answer
    x = 7,130.82

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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.