Home / 10,418.84-15,634.33-6,266.78

Finding the Fourth Proportional to 10,418.84, 15,634.33 and 6,266.78

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Solution

The fourth proportional to 10,418.84, 15,634.33 and 6,266.78 is: 9,403.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,418.84 : 15,634.33 = 6,266.78 : x
  2. Step 2: Convert to fraction form
    10,418.84/15,634.33 = 6,266.78/x
  3. Step 3: Cross multiply
    10,418.84x = 15,634.33 × 6,266.78
  4. Step 4: Simplify right side
    10,418.84x = 97,976,812.72
  5. Step 5: Solve for x
    x = 97,976,812.72/10,418.84
  6. Step 6: Final answer
    x = 9,403.82

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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.