Home / 8,174.08-11,280.48-4,636.96

Finding the Fourth Proportional to 8,174.08, 11,280.48 and 4,636.96

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Solution

The fourth proportional to 8,174.08, 11,280.48 and 4,636.96 is: 6,399.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,174.08 : 11,280.48 = 4,636.96 : x
  2. Step 2: Convert to fraction form
    8,174.08/11,280.48 = 4,636.96/x
  3. Step 3: Cross multiply
    8,174.08x = 11,280.48 × 4,636.96
  4. Step 4: Simplify right side
    8,174.08x = 52,307,134.54
  5. Step 5: Solve for x
    x = 52,307,134.54/8,174.08
  6. Step 6: Final answer
    x = 6,399.15

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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.