Home / 8,260.96-11,400-4,725.04

Finding the Fourth Proportional to 8,260.96, 11,400 and 4,725.04

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Solution

The fourth proportional to 8,260.96, 11,400 and 4,725.04 is: 6,520.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.96 : 11,400 = 4,725.04 : x
  2. Step 2: Convert to fraction form
    8,260.96/11,400 = 4,725.04/x
  3. Step 3: Cross multiply
    8,260.96x = 11,400 × 4,725.04
  4. Step 4: Simplify right side
    8,260.96x = 53,865,456
  5. Step 5: Solve for x
    x = 53,865,456/8,260.96
  6. Step 6: Final answer
    x = 6,520.48

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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.