Home / 10,486.38-15,731.63-3,466.11

Finding the Fourth Proportional to 10,486.38, 15,731.63 and 3,466.11

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Solution

The fourth proportional to 10,486.38, 15,731.63 and 3,466.11 is: 5,199.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.38 : 15,731.63 = 3,466.11 : x
  2. Step 2: Convert to fraction form
    10,486.38/15,731.63 = 3,466.11/x
  3. Step 3: Cross multiply
    10,486.38x = 15,731.63 × 3,466.11
  4. Step 4: Simplify right side
    10,486.38x = 54,527,542.73
  5. Step 5: Solve for x
    x = 54,527,542.73/10,486.38
  6. Step 6: Final answer
    x = 5,199.84

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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.