Home / 9,308.44-12,856.80-6,786.52

Finding the Fourth Proportional to 9,308.44, 12,856.80 and 6,786.52

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Solution

The fourth proportional to 9,308.44, 12,856.80 and 6,786.52 is: 9,373.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.44 : 12,856.80 = 6,786.52 : x
  2. Step 2: Convert to fraction form
    9,308.44/12,856.80 = 6,786.52/x
  3. Step 3: Cross multiply
    9,308.44x = 12,856.80 × 6,786.52
  4. Step 4: Simplify right side
    9,308.44x = 87,252,930.34
  5. Step 5: Solve for x
    x = 87,252,930.34/9,308.44
  6. Step 6: Final answer
    x = 9,373.53

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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.