Home / 10,813.95-16,227.76-4,239.96

Finding the Fourth Proportional to 10,813.95, 16,227.76 and 4,239.96

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Solution

The fourth proportional to 10,813.95, 16,227.76 and 4,239.96 is: 6,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.95 : 16,227.76 = 4,239.96 : x
  2. Step 2: Convert to fraction form
    10,813.95/16,227.76 = 4,239.96/x
  3. Step 3: Cross multiply
    10,813.95x = 16,227.76 × 4,239.96
  4. Step 4: Simplify right side
    10,813.95x = 68,805,042.69
  5. Step 5: Solve for x
    x = 68,805,042.69/10,813.95
  6. Step 6: Final answer
    x = 6,362.62

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1.5x scale

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.