Home / 8,153.20-11,251.40-4,616.32

Finding the Fourth Proportional to 8,153.20, 11,251.40 and 4,616.32

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Solution

The fourth proportional to 8,153.20, 11,251.40 and 4,616.32 is: 6,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.20 : 11,251.40 = 4,616.32 : x
  2. Step 2: Convert to fraction form
    8,153.20/11,251.40 = 4,616.32/x
  3. Step 3: Cross multiply
    8,153.20x = 11,251.40 × 4,616.32
  4. Step 4: Simplify right side
    8,153.20x = 51,940,062.85
  5. Step 5: Solve for x
    x = 51,940,062.85/8,153.20
  6. Step 6: Final answer
    x = 6,370.51

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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.