Home / 8,053.75-11,115.39-4,911.76

Finding the Fourth Proportional to 8,053.75, 11,115.39 and 4,911.76

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Solution

The fourth proportional to 8,053.75, 11,115.39 and 4,911.76 is: 6,778.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,053.75 : 11,115.39 = 4,911.76 : x
  2. Step 2: Convert to fraction form
    8,053.75/11,115.39 = 4,911.76/x
  3. Step 3: Cross multiply
    8,053.75x = 11,115.39 × 4,911.76
  4. Step 4: Simplify right side
    8,053.75x = 54,596,127.99
  5. Step 5: Solve for x
    x = 54,596,127.99/8,053.75
  6. Step 6: Final answer
    x = 6,778.97

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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.