Home / 11,036.20-16,555.10-6,644.20

Finding the Fourth Proportional to 11,036.20, 16,555.10 and 6,644.20

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Solution

The fourth proportional to 11,036.20, 16,555.10 and 6,644.20 is: 9,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,036.20 : 16,555.10 = 6,644.20 : x
  2. Step 2: Convert to fraction form
    11,036.20/16,555.10 = 6,644.20/x
  3. Step 3: Cross multiply
    11,036.20x = 16,555.10 × 6,644.20
  4. Step 4: Simplify right side
    11,036.20x = 109,995,395.42
  5. Step 5: Solve for x
    x = 109,995,395.42/11,036.20
  6. Step 6: Final answer
    x = 9,966.78

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Double scale
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1.5x scale

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.