Home / 7,313.79-10,976.83-3,156.94

Finding the Fourth Proportional to 7,313.79, 10,976.83 and 3,156.94

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Solution

The fourth proportional to 7,313.79, 10,976.83 and 3,156.94 is: 4,738.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,313.79 : 10,976.83 = 3,156.94 : x
  2. Step 2: Convert to fraction form
    7,313.79/10,976.83 = 3,156.94/x
  3. Step 3: Cross multiply
    7,313.79x = 10,976.83 × 3,156.94
  4. Step 4: Simplify right side
    7,313.79x = 34,653,217.29
  5. Step 5: Solve for x
    x = 34,653,217.29/7,313.79
  6. Step 6: Final answer
    x = 4,738.06

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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.