Home / 10,354.94-15,534.71-3,781.11

Finding the Fourth Proportional to 10,354.94, 15,534.71 and 3,781.11

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Solution

The fourth proportional to 10,354.94, 15,534.71 and 3,781.11 is: 5,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.94 : 15,534.71 = 3,781.11 : x
  2. Step 2: Convert to fraction form
    10,354.94/15,534.71 = 3,781.11/x
  3. Step 3: Cross multiply
    10,354.94x = 15,534.71 × 3,781.11
  4. Step 4: Simplify right side
    10,354.94x = 58,738,428.42
  5. Step 5: Solve for x
    x = 58,738,428.42/10,354.94
  6. Step 6: Final answer
    x = 5,672.51

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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.