Home / 10,618.54-15,928.17-2,827.36

Finding the Fourth Proportional to 10,618.54, 15,928.17 and 2,827.36

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Solution

The fourth proportional to 10,618.54, 15,928.17 and 2,827.36 is: 4,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,618.54 : 15,928.17 = 2,827.36 : x
  2. Step 2: Convert to fraction form
    10,618.54/15,928.17 = 2,827.36/x
  3. Step 3: Cross multiply
    10,618.54x = 15,928.17 × 2,827.36
  4. Step 4: Simplify right side
    10,618.54x = 45,034,670.73
  5. Step 5: Solve for x
    x = 45,034,670.73/10,618.54
  6. Step 6: Final answer
    x = 4,241.14

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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.