Home / 11,644.20-16,065.36-6,608.16

Finding the Fourth Proportional to 11,644.20, 16,065.36 and 6,608.16

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Solution

The fourth proportional to 11,644.20, 16,065.36 and 6,608.16 is: 9,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,644.20 : 16,065.36 = 6,608.16 : x
  2. Step 2: Convert to fraction form
    11,644.20/16,065.36 = 6,608.16/x
  3. Step 3: Cross multiply
    11,644.20x = 16,065.36 × 6,608.16
  4. Step 4: Simplify right side
    11,644.20x = 106,162,469.34
  5. Step 5: Solve for x
    x = 106,162,469.34/11,644.20
  6. Step 6: Final answer
    x = 9,117.20

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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.