Home / 8,511.08-12,761.96-4,757.13

Finding the Fourth Proportional to 8,511.08, 12,761.96 and 4,757.13

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Solution

The fourth proportional to 8,511.08, 12,761.96 and 4,757.13 is: 7,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.08 : 12,761.96 = 4,757.13 : x
  2. Step 2: Convert to fraction form
    8,511.08/12,761.96 = 4,757.13/x
  3. Step 3: Cross multiply
    8,511.08x = 12,761.96 × 4,757.13
  4. Step 4: Simplify right side
    8,511.08x = 60,710,278.99
  5. Step 5: Solve for x
    x = 60,710,278.99/8,511.08
  6. Step 6: Final answer
    x = 7,133.09

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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.