Home / 8,015.76-12,011.24-5,555.39

Finding the Fourth Proportional to 8,015.76, 12,011.24 and 5,555.39

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Solution

The fourth proportional to 8,015.76, 12,011.24 and 5,555.39 is: 8,324.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,015.76 : 12,011.24 = 5,555.39 : x
  2. Step 2: Convert to fraction form
    8,015.76/12,011.24 = 5,555.39/x
  3. Step 3: Cross multiply
    8,015.76x = 12,011.24 × 5,555.39
  4. Step 4: Simplify right side
    8,015.76x = 66,727,034.75
  5. Step 5: Solve for x
    x = 66,727,034.75/8,015.76
  6. Step 6: Final answer
    x = 8,324.48

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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.