Home / 8,101.68-12,153.60-2,835.92

Finding the Fourth Proportional to 8,101.68, 12,153.60 and 2,835.92

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Solution

The fourth proportional to 8,101.68, 12,153.60 and 2,835.92 is: 4,254.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,101.68 : 12,153.60 = 2,835.92 : x
  2. Step 2: Convert to fraction form
    8,101.68/12,153.60 = 2,835.92/x
  3. Step 3: Cross multiply
    8,101.68x = 12,153.60 × 2,835.92
  4. Step 4: Simplify right side
    8,101.68x = 34,466,637.31
  5. Step 5: Solve for x
    x = 34,466,637.31/8,101.68
  6. Step 6: Final answer
    x = 4,254.26

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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.