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Finding the Fourth Proportional to 8,256.44, 11,393.90 and 4,719.64

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Solution

The fourth proportional to 8,256.44, 11,393.90 and 4,719.64 is: 6,513.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.44 : 11,393.90 = 4,719.64 : x
  2. Step 2: Convert to fraction form
    8,256.44/11,393.90 = 4,719.64/x
  3. Step 3: Cross multiply
    8,256.44x = 11,393.90 × 4,719.64
  4. Step 4: Simplify right side
    8,256.44x = 53,775,106.20
  5. Step 5: Solve for x
    x = 53,775,106.20/8,256.44
  6. Step 6: Final answer
    x = 6,513.11

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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.