Home / 8,104.52-11,186.10-6,775.92

Finding the Fourth Proportional to 8,104.52, 11,186.10 and 6,775.92

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Solution

The fourth proportional to 8,104.52, 11,186.10 and 6,775.92 is: 9,352.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.52 : 11,186.10 = 6,775.92 : x
  2. Step 2: Convert to fraction form
    8,104.52/11,186.10 = 6,775.92/x
  3. Step 3: Cross multiply
    8,104.52x = 11,186.10 × 6,775.92
  4. Step 4: Simplify right side
    8,104.52x = 75,796,118.71
  5. Step 5: Solve for x
    x = 75,796,118.71/8,104.52
  6. Step 6: Final answer
    x = 9,352.32

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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.