Home / 8,185.20-11,298.06-4,827.75

Finding the Fourth Proportional to 8,185.20, 11,298.06 and 4,827.75

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Solution

The fourth proportional to 8,185.20, 11,298.06 and 4,827.75 is: 6,663.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.20 : 11,298.06 = 4,827.75 : x
  2. Step 2: Convert to fraction form
    8,185.20/11,298.06 = 4,827.75/x
  3. Step 3: Cross multiply
    8,185.20x = 11,298.06 × 4,827.75
  4. Step 4: Simplify right side
    8,185.20x = 54,544,209.17
  5. Step 5: Solve for x
    x = 54,544,209.17/8,185.20
  6. Step 6: Final answer
    x = 6,663.76

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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.