Home / 12,043.20-16,618.28-6,737.88

Finding the Fourth Proportional to 12,043.20, 16,618.28 and 6,737.88

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Solution

The fourth proportional to 12,043.20, 16,618.28 and 6,737.88 is: 9,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.20 : 16,618.28 = 6,737.88 : x
  2. Step 2: Convert to fraction form
    12,043.20/16,618.28 = 6,737.88/x
  3. Step 3: Cross multiply
    12,043.20x = 16,618.28 × 6,737.88
  4. Step 4: Simplify right side
    12,043.20x = 111,971,976.45
  5. Step 5: Solve for x
    x = 111,971,976.45/12,043.20
  6. Step 6: Final answer
    x = 9,297.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.