Home / 8,108.64-11,187.72-4,963.68

Finding the Fourth Proportional to 8,108.64, 11,187.72 and 4,963.68

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Solution

The fourth proportional to 8,108.64, 11,187.72 and 4,963.68 is: 6,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.64 : 11,187.72 = 4,963.68 : x
  2. Step 2: Convert to fraction form
    8,108.64/11,187.72 = 4,963.68/x
  3. Step 3: Cross multiply
    8,108.64x = 11,187.72 × 4,963.68
  4. Step 4: Simplify right side
    8,108.64x = 55,532,262.01
  5. Step 5: Solve for x
    x = 55,532,262.01/8,108.64
  6. Step 6: Final answer
    x = 6,848.53

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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.