Home / 6,976.05-10,451.78-3,681.89

Finding the Fourth Proportional to 6,976.05, 10,451.78 and 3,681.89

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Solution

The fourth proportional to 6,976.05, 10,451.78 and 3,681.89 is: 5,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,976.05 : 10,451.78 = 3,681.89 : x
  2. Step 2: Convert to fraction form
    6,976.05/10,451.78 = 3,681.89/x
  3. Step 3: Cross multiply
    6,976.05x = 10,451.78 × 3,681.89
  4. Step 4: Simplify right side
    6,976.05x = 38,482,233.60
  5. Step 5: Solve for x
    x = 38,482,233.60/6,976.05
  6. Step 6: Final answer
    x = 5,516.34

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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.