Home / 10,236.62-15,326.42-5,228.15

Finding the Fourth Proportional to 10,236.62, 15,326.42 and 5,228.15

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Solution

The fourth proportional to 10,236.62, 15,326.42 and 5,228.15 is: 7,827.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.62 : 15,326.42 = 5,228.15 : x
  2. Step 2: Convert to fraction form
    10,236.62/15,326.42 = 5,228.15/x
  3. Step 3: Cross multiply
    10,236.62x = 15,326.42 × 5,228.15
  4. Step 4: Simplify right side
    10,236.62x = 80,128,835.57
  5. Step 5: Solve for x
    x = 80,128,835.57/10,236.62
  6. Step 6: Final answer
    x = 7,827.66

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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.