Home / 8,418.24-12,627.35-2,574.86

Finding the Fourth Proportional to 8,418.24, 12,627.35 and 2,574.86

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Solution

The fourth proportional to 8,418.24, 12,627.35 and 2,574.86 is: 3,862.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.24 : 12,627.35 = 2,574.86 : x
  2. Step 2: Convert to fraction form
    8,418.24/12,627.35 = 2,574.86/x
  3. Step 3: Cross multiply
    8,418.24x = 12,627.35 × 2,574.86
  4. Step 4: Simplify right side
    8,418.24x = 32,513,582.41
  5. Step 5: Solve for x
    x = 32,513,582.41/8,418.24
  6. Step 6: Final answer
    x = 3,862.28

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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.