Home / 12,362.63-18,545.09-4,042.70

Finding the Fourth Proportional to 12,362.63, 18,545.09 and 4,042.70

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Solution

The fourth proportional to 12,362.63, 18,545.09 and 4,042.70 is: 6,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,362.63 : 18,545.09 = 4,042.70 : x
  2. Step 2: Convert to fraction form
    12,362.63/18,545.09 = 4,042.70/x
  3. Step 3: Cross multiply
    12,362.63x = 18,545.09 × 4,042.70
  4. Step 4: Simplify right side
    12,362.63x = 74,972,122.40
  5. Step 5: Solve for x
    x = 74,972,122.40/12,362.63
  6. Step 6: Final answer
    x = 6,064.42

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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.