Home / 8,427.77-12,631.40-5,963.30

Finding the Fourth Proportional to 8,427.77, 12,631.40 and 5,963.30

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Solution

The fourth proportional to 8,427.77, 12,631.40 and 5,963.30 is: 8,937.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.77 : 12,631.40 = 5,963.30 : x
  2. Step 2: Convert to fraction form
    8,427.77/12,631.40 = 5,963.30/x
  3. Step 3: Cross multiply
    8,427.77x = 12,631.40 × 5,963.30
  4. Step 4: Simplify right side
    8,427.77x = 75,324,827.62
  5. Step 5: Solve for x
    x = 75,324,827.62/8,427.77
  6. Step 6: Final answer
    x = 8,937.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.