Home / 8,755.34-12,084.39-5,771.70

Finding the Fourth Proportional to 8,755.34, 12,084.39 and 5,771.70

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Solution

The fourth proportional to 8,755.34, 12,084.39 and 5,771.70 is: 7,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.34 : 12,084.39 = 5,771.70 : x
  2. Step 2: Convert to fraction form
    8,755.34/12,084.39 = 5,771.70/x
  3. Step 3: Cross multiply
    8,755.34x = 12,084.39 × 5,771.70
  4. Step 4: Simplify right side
    8,755.34x = 69,747,473.76
  5. Step 5: Solve for x
    x = 69,747,473.76/8,755.34
  6. Step 6: Final answer
    x = 7,966.28

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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.