Home / 8,574.08-12,862.94-2,651.36

Finding the Fourth Proportional to 8,574.08, 12,862.94 and 2,651.36

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Solution

The fourth proportional to 8,574.08, 12,862.94 and 2,651.36 is: 3,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.08 : 12,862.94 = 2,651.36 : x
  2. Step 2: Convert to fraction form
    8,574.08/12,862.94 = 2,651.36/x
  3. Step 3: Cross multiply
    8,574.08x = 12,862.94 × 2,651.36
  4. Step 4: Simplify right side
    8,574.08x = 34,104,207.03
  5. Step 5: Solve for x
    x = 34,104,207.03/8,574.08
  6. Step 6: Final answer
    x = 3,977.60

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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.