Home / 8,516.28-12,775.26-2,671.32

Finding the Fourth Proportional to 8,516.28, 12,775.26 and 2,671.32

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Solution

The fourth proportional to 8,516.28, 12,775.26 and 2,671.32 is: 4,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516.28 : 12,775.26 = 2,671.32 : x
  2. Step 2: Convert to fraction form
    8,516.28/12,775.26 = 2,671.32/x
  3. Step 3: Cross multiply
    8,516.28x = 12,775.26 × 2,671.32
  4. Step 4: Simplify right side
    8,516.28x = 34,126,807.54
  5. Step 5: Solve for x
    x = 34,126,807.54/8,516.28
  6. Step 6: Final answer
    x = 4,007.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.