Home / 8,795.96-12,138.56-4,817.44

Finding the Fourth Proportional to 8,795.96, 12,138.56 and 4,817.44

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Solution

The fourth proportional to 8,795.96, 12,138.56 and 4,817.44 is: 6,648.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,795.96 : 12,138.56 = 4,817.44 : x
  2. Step 2: Convert to fraction form
    8,795.96/12,138.56 = 4,817.44/x
  3. Step 3: Cross multiply
    8,795.96x = 12,138.56 × 4,817.44
  4. Step 4: Simplify right side
    8,795.96x = 58,476,784.49
  5. Step 5: Solve for x
    x = 58,476,784.49/8,795.96
  6. Step 6: Final answer
    x = 6,648.14

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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.