Home / 11,082.39-16,623.80-3,686.91

Finding the Fourth Proportional to 11,082.39, 16,623.80 and 3,686.91

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Solution

The fourth proportional to 11,082.39, 16,623.80 and 3,686.91 is: 5,530.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082.39 : 16,623.80 = 3,686.91 : x
  2. Step 2: Convert to fraction form
    11,082.39/16,623.80 = 3,686.91/x
  3. Step 3: Cross multiply
    11,082.39x = 16,623.80 × 3,686.91
  4. Step 4: Simplify right side
    11,082.39x = 61,290,454.46
  5. Step 5: Solve for x
    x = 61,290,454.46/11,082.39
  6. Step 6: Final answer
    x = 5,530.44

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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.