Home / 12,207.62-16,846.52-6,618.62

Finding the Fourth Proportional to 12,207.62, 16,846.52 and 6,618.62

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Solution

The fourth proportional to 12,207.62, 16,846.52 and 6,618.62 is: 9,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.62 : 16,846.52 = 6,618.62 : x
  2. Step 2: Convert to fraction form
    12,207.62/16,846.52 = 6,618.62/x
  3. Step 3: Cross multiply
    12,207.62x = 16,846.52 × 6,618.62
  4. Step 4: Simplify right side
    12,207.62x = 111,500,714.20
  5. Step 5: Solve for x
    x = 111,500,714.20/12,207.62
  6. Step 6: Final answer
    x = 9,133.70

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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.