Home / 8,177.68-11,276.52-7,511.84

Finding the Fourth Proportional to 8,177.68, 11,276.52 and 7,511.84

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Solution

The fourth proportional to 8,177.68, 11,276.52 and 7,511.84 is: 10,358.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.68 : 11,276.52 = 7,511.84 : x
  2. Step 2: Convert to fraction form
    8,177.68/11,276.52 = 7,511.84/x
  3. Step 3: Cross multiply
    8,177.68x = 11,276.52 × 7,511.84
  4. Step 4: Simplify right side
    8,177.68x = 84,707,414.00
  5. Step 5: Solve for x
    x = 84,707,414.00/8,177.68
  6. Step 6: Final answer
    x = 10,358.37

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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.