Home / 8,755.68-12,082.96-5,220.94

Finding the Fourth Proportional to 8,755.68, 12,082.96 and 5,220.94

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Solution

The fourth proportional to 8,755.68, 12,082.96 and 5,220.94 is: 7,204.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.68 : 12,082.96 = 5,220.94 : x
  2. Step 2: Convert to fraction form
    8,755.68/12,082.96 = 5,220.94/x
  3. Step 3: Cross multiply
    8,755.68x = 12,082.96 × 5,220.94
  4. Step 4: Simplify right side
    8,755.68x = 63,084,409.18
  5. Step 5: Solve for x
    x = 63,084,409.18/8,755.68
  6. Step 6: Final answer
    x = 7,204.97

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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.