Home / 6,336.56-8,731.32-5,389.04

Finding the Fourth Proportional to 6,336.56, 8,731.32 and 5,389.04

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Solution

The fourth proportional to 6,336.56, 8,731.32 and 5,389.04 is: 7,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,336.56 : 8,731.32 = 5,389.04 : x
  2. Step 2: Convert to fraction form
    6,336.56/8,731.32 = 5,389.04/x
  3. Step 3: Cross multiply
    6,336.56x = 8,731.32 × 5,389.04
  4. Step 4: Simplify right side
    6,336.56x = 47,053,432.73
  5. Step 5: Solve for x
    x = 47,053,432.73/6,336.56
  6. Step 6: Final answer
    x = 7,425.71

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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.