Home / 8,425.92-12,637.86-2,582.58

Finding the Fourth Proportional to 8,425.92, 12,637.86 and 2,582.58

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Solution

The fourth proportional to 8,425.92, 12,637.86 and 2,582.58 is: 3,873.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,425.92 : 12,637.86 = 2,582.58 : x
  2. Step 2: Convert to fraction form
    8,425.92/12,637.86 = 2,582.58/x
  3. Step 3: Cross multiply
    8,425.92x = 12,637.86 × 2,582.58
  4. Step 4: Simplify right side
    8,425.92x = 32,638,284.48
  5. Step 5: Solve for x
    x = 32,638,284.48/8,425.92
  6. Step 6: Final answer
    x = 3,873.56

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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.