Home / 8,328.45-11,493.99-4,792.80

Finding the Fourth Proportional to 8,328.45, 11,493.99 and 4,792.80

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Solution

The fourth proportional to 8,328.45, 11,493.99 and 4,792.80 is: 6,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.45 : 11,493.99 = 4,792.80 : x
  2. Step 2: Convert to fraction form
    8,328.45/11,493.99 = 4,792.80/x
  3. Step 3: Cross multiply
    8,328.45x = 11,493.99 × 4,792.80
  4. Step 4: Simplify right side
    8,328.45x = 55,088,395.27
  5. Step 5: Solve for x
    x = 55,088,395.27/8,328.45
  6. Step 6: Final answer
    x = 6,614.48

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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.