Home / 8,515.10-12,773.93-2,671.13

Finding the Fourth Proportional to 8,515.10, 12,773.93 and 2,671.13

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Solution

The fourth proportional to 8,515.10, 12,773.93 and 2,671.13 is: 4,007.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,515.10 : 12,773.93 = 2,671.13 : x
  2. Step 2: Convert to fraction form
    8,515.10/12,773.93 = 2,671.13/x
  3. Step 3: Cross multiply
    8,515.10x = 12,773.93 × 2,671.13
  4. Step 4: Simplify right side
    8,515.10x = 34,120,750.42
  5. Step 5: Solve for x
    x = 34,120,750.42/8,515.10
  6. Step 6: Final answer
    x = 4,007.09

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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.