Home / 8,961.49-12,366.84-4,983

Finding the Fourth Proportional to 8,961.49, 12,366.84 and 4,983

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Solution

The fourth proportional to 8,961.49, 12,366.84 and 4,983 is: 6,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,961.49 : 12,366.84 = 4,983 : x
  2. Step 2: Convert to fraction form
    8,961.49/12,366.84 = 4,983/x
  3. Step 3: Cross multiply
    8,961.49x = 12,366.84 × 4,983
  4. Step 4: Simplify right side
    8,961.49x = 61,623,963.72
  5. Step 5: Solve for x
    x = 61,623,963.72/8,961.49
  6. Step 6: Final answer
    x = 6,876.53

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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.