Home / 8,373.96-12,560.92-3,440.12

Finding the Fourth Proportional to 8,373.96, 12,560.92 and 3,440.12

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Solution

The fourth proportional to 8,373.96, 12,560.92 and 3,440.12 is: 5,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,373.96 : 12,560.92 = 3,440.12 : x
  2. Step 2: Convert to fraction form
    8,373.96/12,560.92 = 3,440.12/x
  3. Step 3: Cross multiply
    8,373.96x = 12,560.92 × 3,440.12
  4. Step 4: Simplify right side
    8,373.96x = 43,211,072.11
  5. Step 5: Solve for x
    x = 43,211,072.11/8,373.96
  6. Step 6: Final answer
    x = 5,160.17

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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.