Home / 10,247.47-15,369.67-2,851.17

Finding the Fourth Proportional to 10,247.47, 15,369.67 and 2,851.17

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Solution

The fourth proportional to 10,247.47, 15,369.67 and 2,851.17 is: 4,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,247.47 : 15,369.67 = 2,851.17 : x
  2. Step 2: Convert to fraction form
    10,247.47/15,369.67 = 2,851.17/x
  3. Step 3: Cross multiply
    10,247.47x = 15,369.67 × 2,851.17
  4. Step 4: Simplify right side
    10,247.47x = 43,821,542.01
  5. Step 5: Solve for x
    x = 43,821,542.01/10,247.47
  6. Step 6: Final answer
    x = 4,276.33

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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.