Home / 8,740.38-13,103.75-5,960.16

Finding the Fourth Proportional to 8,740.38, 13,103.75 and 5,960.16

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Solution

The fourth proportional to 8,740.38, 13,103.75 and 5,960.16 is: 8,935.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.38 : 13,103.75 = 5,960.16 : x
  2. Step 2: Convert to fraction form
    8,740.38/13,103.75 = 5,960.16/x
  3. Step 3: Cross multiply
    8,740.38x = 13,103.75 × 5,960.16
  4. Step 4: Simplify right side
    8,740.38x = 78,100,416.80
  5. Step 5: Solve for x
    x = 78,100,416.80/8,740.38
  6. Step 6: Final answer
    x = 8,935.59

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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.