Home / 8,961.82-12,366.95-4,982.64

Finding the Fourth Proportional to 8,961.82, 12,366.95 and 4,982.64

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Solution

The fourth proportional to 8,961.82, 12,366.95 and 4,982.64 is: 6,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.82 : 12,366.95 = 4,982.64 : x
  2. Step 2: Convert to fraction form
    8,961.82/12,366.95 = 4,982.64/x
  3. Step 3: Cross multiply
    8,961.82x = 12,366.95 × 4,982.64
  4. Step 4: Simplify right side
    8,961.82x = 61,620,059.75
  5. Step 5: Solve for x
    x = 61,620,059.75/8,961.82
  6. Step 6: Final answer
    x = 6,875.84

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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.