Home / 8,012.18-11,055.48-4,655.54

Finding the Fourth Proportional to 8,012.18, 11,055.48 and 4,655.54

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Solution

The fourth proportional to 8,012.18, 11,055.48 and 4,655.54 is: 6,423.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,012.18 : 11,055.48 = 4,655.54 : x
  2. Step 2: Convert to fraction form
    8,012.18/11,055.48 = 4,655.54/x
  3. Step 3: Cross multiply
    8,012.18x = 11,055.48 × 4,655.54
  4. Step 4: Simplify right side
    8,012.18x = 51,469,229.36
  5. Step 5: Solve for x
    x = 51,469,229.36/8,012.18
  6. Step 6: Final answer
    x = 6,423.87

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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.