Home / 9,308.94-12,847.35-5,331.36

Finding the Fourth Proportional to 9,308.94, 12,847.35 and 5,331.36

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Solution

The fourth proportional to 9,308.94, 12,847.35 and 5,331.36 is: 7,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,308.94 : 12,847.35 = 5,331.36 : x
  2. Step 2: Convert to fraction form
    9,308.94/12,847.35 = 5,331.36/x
  3. Step 3: Cross multiply
    9,308.94x = 12,847.35 × 5,331.36
  4. Step 4: Simplify right side
    9,308.94x = 68,493,847.90
  5. Step 5: Solve for x
    x = 68,493,847.90/9,308.94
  6. Step 6: Final answer
    x = 7,357.86

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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.