Home / 8,207.15-11,324.37-4,621.55

Finding the Fourth Proportional to 8,207.15, 11,324.37 and 4,621.55

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Solution

The fourth proportional to 8,207.15, 11,324.37 and 4,621.55 is: 6,376.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.15 : 11,324.37 = 4,621.55 : x
  2. Step 2: Convert to fraction form
    8,207.15/11,324.37 = 4,621.55/x
  3. Step 3: Cross multiply
    8,207.15x = 11,324.37 × 4,621.55
  4. Step 4: Simplify right side
    8,207.15x = 52,336,142.17
  5. Step 5: Solve for x
    x = 52,336,142.17/8,207.15
  6. Step 6: Final answer
    x = 6,376.90

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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.