Home / 8,680.99-11,983.91-5,495.83

Finding the Fourth Proportional to 8,680.99, 11,983.91 and 5,495.83

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Solution

The fourth proportional to 8,680.99, 11,983.91 and 5,495.83 is: 7,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680.99 : 11,983.91 = 5,495.83 : x
  2. Step 2: Convert to fraction form
    8,680.99/11,983.91 = 5,495.83/x
  3. Step 3: Cross multiply
    8,680.99x = 11,983.91 × 5,495.83
  4. Step 4: Simplify right side
    8,680.99x = 65,861,532.10
  5. Step 5: Solve for x
    x = 65,861,532.10/8,680.99
  6. Step 6: Final answer
    x = 7,586.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.