Home / 8,667.72-11,960.08-4,941

Finding the Fourth Proportional to 8,667.72, 11,960.08 and 4,941

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Solution

The fourth proportional to 8,667.72, 11,960.08 and 4,941 is: 6,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,667.72 : 11,960.08 = 4,941 : x
  2. Step 2: Convert to fraction form
    8,667.72/11,960.08 = 4,941/x
  3. Step 3: Cross multiply
    8,667.72x = 11,960.08 × 4,941
  4. Step 4: Simplify right side
    8,667.72x = 59,094,755.28
  5. Step 5: Solve for x
    x = 59,094,755.28/8,667.72
  6. Step 6: Final answer
    x = 6,817.80

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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.