Home / 11,123.17-16,684.80-3,226.18

Finding the Fourth Proportional to 11,123.17, 16,684.80 and 3,226.18

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Solution

The fourth proportional to 11,123.17, 16,684.80 and 3,226.18 is: 4,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.17 : 16,684.80 = 3,226.18 : x
  2. Step 2: Convert to fraction form
    11,123.17/16,684.80 = 3,226.18/x
  3. Step 3: Cross multiply
    11,123.17x = 16,684.80 × 3,226.18
  4. Step 4: Simplify right side
    11,123.17x = 53,828,168.06
  5. Step 5: Solve for x
    x = 53,828,168.06/11,123.17
  6. Step 6: Final answer
    x = 4,839.28

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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.