Home / 8,511.75-12,740.31-4,553.10

Finding the Fourth Proportional to 8,511.75, 12,740.31 and 4,553.10

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Solution

The fourth proportional to 8,511.75, 12,740.31 and 4,553.10 is: 6,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.75 : 12,740.31 = 4,553.10 : x
  2. Step 2: Convert to fraction form
    8,511.75/12,740.31 = 4,553.10/x
  3. Step 3: Cross multiply
    8,511.75x = 12,740.31 × 4,553.10
  4. Step 4: Simplify right side
    8,511.75x = 58,007,905.46
  5. Step 5: Solve for x
    x = 58,007,905.46/8,511.75
  6. Step 6: Final answer
    x = 6,815.04

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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.