Home / 8,352.72-12,533.96-3,091.44

Finding the Fourth Proportional to 8,352.72, 12,533.96 and 3,091.44

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Solution

The fourth proportional to 8,352.72, 12,533.96 and 3,091.44 is: 4,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.72 : 12,533.96 = 3,091.44 : x
  2. Step 2: Convert to fraction form
    8,352.72/12,533.96 = 3,091.44/x
  3. Step 3: Cross multiply
    8,352.72x = 12,533.96 × 3,091.44
  4. Step 4: Simplify right side
    8,352.72x = 38,747,985.30
  5. Step 5: Solve for x
    x = 38,747,985.30/8,352.72
  6. Step 6: Final answer
    x = 4,638.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.