Home / 11,545.38-17,319.60-3,751.56

Finding the Fourth Proportional to 11,545.38, 17,319.60 and 3,751.56

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Solution

The fourth proportional to 11,545.38, 17,319.60 and 3,751.56 is: 5,627.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,545.38 : 17,319.60 = 3,751.56 : x
  2. Step 2: Convert to fraction form
    11,545.38/17,319.60 = 3,751.56/x
  3. Step 3: Cross multiply
    11,545.38x = 17,319.60 × 3,751.56
  4. Step 4: Simplify right side
    11,545.38x = 64,975,518.58
  5. Step 5: Solve for x
    x = 64,975,518.58/11,545.38
  6. Step 6: Final answer
    x = 5,627.84

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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.