Home / 8,279.52-11,428.14-4,924.68

Finding the Fourth Proportional to 8,279.52, 11,428.14 and 4,924.68

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Solution

The fourth proportional to 8,279.52, 11,428.14 and 4,924.68 is: 6,797.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.52 : 11,428.14 = 4,924.68 : x
  2. Step 2: Convert to fraction form
    8,279.52/11,428.14 = 4,924.68/x
  3. Step 3: Cross multiply
    8,279.52x = 11,428.14 × 4,924.68
  4. Step 4: Simplify right side
    8,279.52x = 56,279,932.50
  5. Step 5: Solve for x
    x = 56,279,932.50/8,279.52
  6. Step 6: Final answer
    x = 6,797.49

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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.