Home / 9,174.91-13,758.03-3,555.21

Finding the Fourth Proportional to 9,174.91, 13,758.03 and 3,555.21

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Solution

The fourth proportional to 9,174.91, 13,758.03 and 3,555.21 is: 5,331.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.91 : 13,758.03 = 3,555.21 : x
  2. Step 2: Convert to fraction form
    9,174.91/13,758.03 = 3,555.21/x
  3. Step 3: Cross multiply
    9,174.91x = 13,758.03 × 3,555.21
  4. Step 4: Simplify right side
    9,174.91x = 48,912,685.84
  5. Step 5: Solve for x
    x = 48,912,685.84/9,174.91
  6. Step 6: Final answer
    x = 5,331.14

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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.