Home / 8,548.12-11,789.22-6,776.92

Finding the Fourth Proportional to 8,548.12, 11,789.22 and 6,776.92

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Solution

The fourth proportional to 8,548.12, 11,789.22 and 6,776.92 is: 9,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,548.12 : 11,789.22 = 6,776.92 : x
  2. Step 2: Convert to fraction form
    8,548.12/11,789.22 = 6,776.92/x
  3. Step 3: Cross multiply
    8,548.12x = 11,789.22 × 6,776.92
  4. Step 4: Simplify right side
    8,548.12x = 79,894,600.80
  5. Step 5: Solve for x
    x = 79,894,600.80/8,548.12
  6. Step 6: Final answer
    x = 9,346.45

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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.