Home / 9,115.59-13,672.23-3,572.83

Finding the Fourth Proportional to 9,115.59, 13,672.23 and 3,572.83

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Solution

The fourth proportional to 9,115.59, 13,672.23 and 3,572.83 is: 5,358.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.59 : 13,672.23 = 3,572.83 : x
  2. Step 2: Convert to fraction form
    9,115.59/13,672.23 = 3,572.83/x
  3. Step 3: Cross multiply
    9,115.59x = 13,672.23 × 3,572.83
  4. Step 4: Simplify right side
    9,115.59x = 48,848,480.30
  5. Step 5: Solve for x
    x = 48,848,480.30/9,115.59
  6. Step 6: Final answer
    x = 5,358.79

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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.