Home / 8,722.41-12,032.69-5,183.12

Finding the Fourth Proportional to 8,722.41, 12,032.69 and 5,183.12

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Solution

The fourth proportional to 8,722.41, 12,032.69 and 5,183.12 is: 7,150.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.41 : 12,032.69 = 5,183.12 : x
  2. Step 2: Convert to fraction form
    8,722.41/12,032.69 = 5,183.12/x
  3. Step 3: Cross multiply
    8,722.41x = 12,032.69 × 5,183.12
  4. Step 4: Simplify right side
    8,722.41x = 62,366,816.03
  5. Step 5: Solve for x
    x = 62,366,816.03/8,722.41
  6. Step 6: Final answer
    x = 7,150.18

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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.