Home / 12,234.80-18,342.12-4,836.08

Finding the Fourth Proportional to 12,234.80, 18,342.12 and 4,836.08

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Solution

The fourth proportional to 12,234.80, 18,342.12 and 4,836.08 is: 7,250.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.80 : 18,342.12 = 4,836.08 : x
  2. Step 2: Convert to fraction form
    12,234.80/18,342.12 = 4,836.08/x
  3. Step 3: Cross multiply
    12,234.80x = 18,342.12 × 4,836.08
  4. Step 4: Simplify right side
    12,234.80x = 88,703,959.69
  5. Step 5: Solve for x
    x = 88,703,959.69/12,234.80
  6. Step 6: Final answer
    x = 7,250.14

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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.