Home / 8,974.30-13,461.52-3,426.16

Finding the Fourth Proportional to 8,974.30, 13,461.52 and 3,426.16

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Solution

The fourth proportional to 8,974.30, 13,461.52 and 3,426.16 is: 5,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,974.30 : 13,461.52 = 3,426.16 : x
  2. Step 2: Convert to fraction form
    8,974.30/13,461.52 = 3,426.16/x
  3. Step 3: Cross multiply
    8,974.30x = 13,461.52 × 3,426.16
  4. Step 4: Simplify right side
    8,974.30x = 46,121,321.36
  5. Step 5: Solve for x
    x = 46,121,321.36/8,974.30
  6. Step 6: Final answer
    x = 5,139.27

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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.