Home / 10,449.33-15,667.80-6,941.22

Finding the Fourth Proportional to 10,449.33, 15,667.80 and 6,941.22

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Solution

The fourth proportional to 10,449.33, 15,667.80 and 6,941.22 is: 10,407.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.33 : 15,667.80 = 6,941.22 : x
  2. Step 2: Convert to fraction form
    10,449.33/15,667.80 = 6,941.22/x
  3. Step 3: Cross multiply
    10,449.33x = 15,667.80 × 6,941.22
  4. Step 4: Simplify right side
    10,449.33x = 108,753,646.72
  5. Step 5: Solve for x
    x = 108,753,646.72/10,449.33
  6. Step 6: Final answer
    x = 10,407.71

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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.