Home / 8,796.12-12,138.67-4,817.19

Finding the Fourth Proportional to 8,796.12, 12,138.67 and 4,817.19

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Solution

The fourth proportional to 8,796.12, 12,138.67 and 4,817.19 is: 6,647.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,796.12 : 12,138.67 = 4,817.19 : x
  2. Step 2: Convert to fraction form
    8,796.12/12,138.67 = 4,817.19/x
  3. Step 3: Cross multiply
    8,796.12x = 12,138.67 × 4,817.19
  4. Step 4: Simplify right side
    8,796.12x = 58,474,279.74
  5. Step 5: Solve for x
    x = 58,474,279.74/8,796.12
  6. Step 6: Final answer
    x = 6,647.74

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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.