Home / 8,961.97-12,366.63-4,982.68

Finding the Fourth Proportional to 8,961.97, 12,366.63 and 4,982.68

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Solution

The fourth proportional to 8,961.97, 12,366.63 and 4,982.68 is: 6,875.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.97 : 12,366.63 = 4,982.68 : x
  2. Step 2: Convert to fraction form
    8,961.97/12,366.63 = 4,982.68/x
  3. Step 3: Cross multiply
    8,961.97x = 12,366.63 × 4,982.68
  4. Step 4: Simplify right side
    8,961.97x = 61,618,959.97
  5. Step 5: Solve for x
    x = 61,618,959.97/8,961.97
  6. Step 6: Final answer
    x = 6,875.60

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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.