Home / 8,257.68-11,398.56-4,900.50

Finding the Fourth Proportional to 8,257.68, 11,398.56 and 4,900.50

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Solution

The fourth proportional to 8,257.68, 11,398.56 and 4,900.50 is: 6,764.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.68 : 11,398.56 = 4,900.50 : x
  2. Step 2: Convert to fraction form
    8,257.68/11,398.56 = 4,900.50/x
  3. Step 3: Cross multiply
    8,257.68x = 11,398.56 × 4,900.50
  4. Step 4: Simplify right side
    8,257.68x = 55,858,582.16
  5. Step 5: Solve for x
    x = 55,858,582.16/8,257.68
  6. Step 6: Final answer
    x = 6,764.44

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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.