Home / 8,049.18-11,097.48-5,211.54

Finding the Fourth Proportional to 8,049.18, 11,097.48 and 5,211.54

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Solution

The fourth proportional to 8,049.18, 11,097.48 and 5,211.54 is: 7,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.18 : 11,097.48 = 5,211.54 : x
  2. Step 2: Convert to fraction form
    8,049.18/11,097.48 = 5,211.54/x
  3. Step 3: Cross multiply
    8,049.18x = 11,097.48 × 5,211.54
  4. Step 4: Simplify right side
    8,049.18x = 57,834,960.92
  5. Step 5: Solve for x
    x = 57,834,960.92/8,049.18
  6. Step 6: Final answer
    x = 7,185.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.