Home / 8,145.73-11,240.44-4,788.69

Finding the Fourth Proportional to 8,145.73, 11,240.44 and 4,788.69

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Solution

The fourth proportional to 8,145.73, 11,240.44 and 4,788.69 is: 6,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.73 : 11,240.44 = 4,788.69 : x
  2. Step 2: Convert to fraction form
    8,145.73/11,240.44 = 4,788.69/x
  3. Step 3: Cross multiply
    8,145.73x = 11,240.44 × 4,788.69
  4. Step 4: Simplify right side
    8,145.73x = 53,826,902.48
  5. Step 5: Solve for x
    x = 53,826,902.48/8,145.73
  6. Step 6: Final answer
    x = 6,607.99

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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.