Home / 8,755.24-12,083.66-4,980.08

Finding the Fourth Proportional to 8,755.24, 12,083.66 and 4,980.08

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Solution

The fourth proportional to 8,755.24, 12,083.66 and 4,980.08 is: 6,873.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.24 : 12,083.66 = 4,980.08 : x
  2. Step 2: Convert to fraction form
    8,755.24/12,083.66 = 4,980.08/x
  3. Step 3: Cross multiply
    8,755.24x = 12,083.66 × 4,980.08
  4. Step 4: Simplify right side
    8,755.24x = 60,177,593.49
  5. Step 5: Solve for x
    x = 60,177,593.49/8,755.24
  6. Step 6: Final answer
    x = 6,873.32

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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.