Home / 8,211.15-12,314.70-2,366.46

Finding the Fourth Proportional to 8,211.15, 12,314.70 and 2,366.46

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Solution

The fourth proportional to 8,211.15, 12,314.70 and 2,366.46 is: 3,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211.15 : 12,314.70 = 2,366.46 : x
  2. Step 2: Convert to fraction form
    8,211.15/12,314.70 = 2,366.46/x
  3. Step 3: Cross multiply
    8,211.15x = 12,314.70 × 2,366.46
  4. Step 4: Simplify right side
    8,211.15x = 29,142,244.96
  5. Step 5: Solve for x
    x = 29,142,244.96/8,211.15
  6. Step 6: Final answer
    x = 3,549.11

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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.