Home / 10,622.49-15,935.76-5,076.27

Finding the Fourth Proportional to 10,622.49, 15,935.76 and 5,076.27

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Solution

The fourth proportional to 10,622.49, 15,935.76 and 5,076.27 is: 7,615.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,622.49 : 15,935.76 = 5,076.27 : x
  2. Step 2: Convert to fraction form
    10,622.49/15,935.76 = 5,076.27/x
  3. Step 3: Cross multiply
    10,622.49x = 15,935.76 × 5,076.27
  4. Step 4: Simplify right side
    10,622.49x = 80,894,220.42
  5. Step 5: Solve for x
    x = 80,894,220.42/10,622.49
  6. Step 6: Final answer
    x = 7,615.37

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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.