Home / 10,272.83-15,411.26-3,698.87

Finding the Fourth Proportional to 10,272.83, 15,411.26 and 3,698.87

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Solution

The fourth proportional to 10,272.83, 15,411.26 and 3,698.87 is: 5,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.83 : 15,411.26 = 3,698.87 : x
  2. Step 2: Convert to fraction form
    10,272.83/15,411.26 = 3,698.87/x
  3. Step 3: Cross multiply
    10,272.83x = 15,411.26 × 3,698.87
  4. Step 4: Simplify right side
    10,272.83x = 57,004,179.47
  5. Step 5: Solve for x
    x = 57,004,179.47/10,272.83
  6. Step 6: Final answer
    x = 5,549.03

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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.