Home / 11,213.37-16,821.41-4,644.16

Finding the Fourth Proportional to 11,213.37, 16,821.41 and 4,644.16

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Solution

The fourth proportional to 11,213.37, 16,821.41 and 4,644.16 is: 6,966.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,213.37 : 16,821.41 = 4,644.16 : x
  2. Step 2: Convert to fraction form
    11,213.37/16,821.41 = 4,644.16/x
  3. Step 3: Cross multiply
    11,213.37x = 16,821.41 × 4,644.16
  4. Step 4: Simplify right side
    11,213.37x = 78,121,254.19
  5. Step 5: Solve for x
    x = 78,121,254.19/11,213.37
  6. Step 6: Final answer
    x = 6,966.80

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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.