Home / 9,913.79-14,865.97-5,755.07

Finding the Fourth Proportional to 9,913.79, 14,865.97 and 5,755.07

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Solution

The fourth proportional to 9,913.79, 14,865.97 and 5,755.07 is: 8,629.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,913.79 : 14,865.97 = 5,755.07 : x
  2. Step 2: Convert to fraction form
    9,913.79/14,865.97 = 5,755.07/x
  3. Step 3: Cross multiply
    9,913.79x = 14,865.97 × 5,755.07
  4. Step 4: Simplify right side
    9,913.79x = 85,554,697.97
  5. Step 5: Solve for x
    x = 85,554,697.97/9,913.79
  6. Step 6: Final answer
    x = 8,629.87

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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.