Home / 9,187.14-13,772.91-3,644.40

Finding the Fourth Proportional to 9,187.14, 13,772.91 and 3,644.40

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Solution

The fourth proportional to 9,187.14, 13,772.91 and 3,644.40 is: 5,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.14 : 13,772.91 = 3,644.40 : x
  2. Step 2: Convert to fraction form
    9,187.14/13,772.91 = 3,644.40/x
  3. Step 3: Cross multiply
    9,187.14x = 13,772.91 × 3,644.40
  4. Step 4: Simplify right side
    9,187.14x = 50,193,993.20
  5. Step 5: Solve for x
    x = 50,193,993.20/9,187.14
  6. Step 6: Final answer
    x = 5,463.51

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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.