Home / 10,220.12-15,326.94-3,293

Finding the Fourth Proportional to 10,220.12, 15,326.94 and 3,293

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Solution

The fourth proportional to 10,220.12, 15,326.94 and 3,293 is: 4,938.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220.12 : 15,326.94 = 3,293 : x
  2. Step 2: Convert to fraction form
    10,220.12/15,326.94 = 3,293/x
  3. Step 3: Cross multiply
    10,220.12x = 15,326.94 × 3,293
  4. Step 4: Simplify right side
    10,220.12x = 50,471,613.42
  5. Step 5: Solve for x
    x = 50,471,613.42/10,220.12
  6. Step 6: Final answer
    x = 4,938.46

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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.