Home / 8,151.35-11,247.71-4,792.19

Finding the Fourth Proportional to 8,151.35, 11,247.71 and 4,792.19

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Solution

The fourth proportional to 8,151.35, 11,247.71 and 4,792.19 is: 6,612.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.35 : 11,247.71 = 4,792.19 : x
  2. Step 2: Convert to fraction form
    8,151.35/11,247.71 = 4,792.19/x
  3. Step 3: Cross multiply
    8,151.35x = 11,247.71 × 4,792.19
  4. Step 4: Simplify right side
    8,151.35x = 53,901,083.19
  5. Step 5: Solve for x
    x = 53,901,083.19/8,151.35
  6. Step 6: Final answer
    x = 6,612.54

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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.